DE3685706T2 - Digitaler signalprozessor. - Google Patents

Digitaler signalprozessor.

Info

Publication number
DE3685706T2
DE3685706T2 DE8686306271T DE3685706T DE3685706T2 DE 3685706 T2 DE3685706 T2 DE 3685706T2 DE 8686306271 T DE8686306271 T DE 8686306271T DE 3685706 T DE3685706 T DE 3685706T DE 3685706 T2 DE3685706 T2 DE 3685706T2
Authority
DE
Germany
Prior art keywords
signals
dsp
digital
pla
converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8686306271T
Other languages
English (en)
Other versions
DE3685706D1 (de
Inventor
P Venkitakrishnan
Gururaj Singh
Ronald Laugesen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE3685706D1 publication Critical patent/DE3685706D1/de
Publication of DE3685706T2 publication Critical patent/DE3685706T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
    • G06F15/7828—Architectures of general purpose stored program computers comprising a single central processing unit without memory
    • G06F15/7832—Architectures of general purpose stored program computers comprising a single central processing unit without memory on one IC chip (single chip microprocessors)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1319—Amplifier, attenuation circuit, echo suppressor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216—Code signals, frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1332—Logic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13405—Dual frequency signaling, DTMF
DE8686306271T 1985-08-30 1986-08-14 Digitaler signalprozessor. Expired - Lifetime DE3685706T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/771,339 US4718057A (en) 1985-08-30 1985-08-30 Streamlined digital signal processor

Publications (2)

Publication Number Publication Date
DE3685706D1 DE3685706D1 (de) 1992-07-23
DE3685706T2 true DE3685706T2 (de) 1993-01-21

Family

ID=25091495

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306271T Expired - Lifetime DE3685706T2 (de) 1985-08-30 1986-08-14 Digitaler signalprozessor.

Country Status (5)

Country Link
US (1) US4718057A (de)
EP (1) EP0216488B1 (de)
JP (1) JPH0652951B2 (de)
AT (1) ATE77526T1 (de)
DE (1) DE3685706T2 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4641247A (en) 1985-08-30 1987-02-03 Advanced Micro Devices, Inc. Bit-sliced, dual-bus design of integrated circuits
FR2627041B1 (fr) * 1988-02-05 1994-05-13 Texas Instruments France Dispositif de traitement de signaux telephoniques, comprenant des dispositifs de traitement de signaux numeriques communs a plusieurs lignes d'abonnes
US4975947A (en) * 1989-02-22 1990-12-04 Texas Instruments Incorporated System to share the DSP computation resources
JPH0699812B2 (ja) * 1989-04-07 1994-12-07 新日本製鐵株式会社 磁気特性及び皮膜特性の優れた方向性電磁鋼板の絶縁皮膜処理方法
US5228076A (en) * 1989-06-12 1993-07-13 Emil Hopner High fidelity speech encoding for telecommunications systems
CH679957A5 (en) * 1990-03-07 1992-05-15 Studer Revox Ag Digital signal processing e.g. for multichannel tape player - using control words to identify different processing program for data words
JPH0457434A (ja) * 1990-06-27 1992-02-25 Canon Inc 通信端末装置
US5768613A (en) * 1990-07-06 1998-06-16 Advanced Micro Devices, Inc. Computing apparatus configured for partitioned processing
US6230255B1 (en) 1990-07-06 2001-05-08 Advanced Micro Devices, Inc. Communications processor for voice band telecommunications
SE467856B (sv) * 1991-01-31 1992-09-21 Ericsson Telefon Ab L M Transcoder foer ett mobilradiosystem
JPH0594546A (ja) * 1991-02-05 1993-04-16 American Teleph & Telegr Co <Att> デジタルプロセツサ
EP0534549B1 (de) * 1991-09-27 2001-12-05 Koninklijke Philips Electronics N.V. Anordnung zum Liefern von Pulskodemodulationswerten in einem Fernsprechapparat
DE69232256T2 (de) * 1991-09-27 2002-08-14 Koninkl Philips Electronics Nv Anordnung zum Liefern von Pulskodemodulationswerten in einem Fernsprechapparat
US5305312A (en) * 1992-02-07 1994-04-19 At&T Bell Laboratories Apparatus for interfacing analog telephones and digital data terminals to an ISDN line
JP2902204B2 (ja) * 1992-03-24 1999-06-07 三菱電機株式会社 信号処理装置
JP3055316B2 (ja) * 1992-08-13 2000-06-26 ヤマハ株式会社 デジタル信号プロセッサ
FR2699775B1 (fr) * 1992-12-21 1995-02-24 Sagem Carte d'équipement de ligne pour serveur ou autocommutateur.
US7082106B2 (en) * 1993-01-08 2006-07-25 Multi-Tech Systems, Inc. Computer-based multi-media communications system and method
EP0615371B1 (de) * 1993-03-08 2004-03-17 Matsushita Electric Industrial Co., Ltd. Sprach- und Tonausgabevorrichtung für ein tragbares Telefon
JP3527259B2 (ja) * 1993-04-12 2004-05-17 松下電器産業株式会社 映像信号処理装置及び処理方法
KR0140674B1 (ko) * 1993-04-12 1998-06-15 모리시다 요이치 영상신호처리장치 및 처리방법
US5457644A (en) * 1993-08-20 1995-10-10 Actel Corporation Field programmable digital signal processing array integrated circuit
US5606536A (en) * 1994-05-20 1997-02-25 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus with variable control
FR2720577B1 (fr) * 1994-05-27 1996-08-14 Sgs Thomson Microelectronics Circuit de détection de tonalité téléphonique.
US5604740A (en) * 1994-06-01 1997-02-18 Davox Corporation Multi-path bus digital signal processor
US5812553A (en) * 1994-06-01 1998-09-22 Davox Corporation Multi-path bus digital processor
US5790817A (en) * 1996-09-25 1998-08-04 Advanced Micro Devices, Inc. Configurable digital wireless and wired communications system architecture for implementing baseband functionality
US5802387A (en) * 1996-12-27 1998-09-01 Lucent Technologies Inc. Efficient data transfer in a digital signal processor
US5959466A (en) * 1997-01-31 1999-09-28 Actel Corporation Field programmable gate array with mask programmed input and output buffers
US6150837A (en) * 1997-02-28 2000-11-21 Actel Corporation Enhanced field programmable gate array
DE19745255A1 (de) * 1997-10-13 1999-04-15 Siemens Ag Vorrichtung und Verfahren zum Einstellen der Quantisierungskennlinien einer PCM-Codierung
US6741643B1 (en) * 1998-04-15 2004-05-25 Telecommunications Research Laboratories Asymmetric equalization system for data transmission
US7119576B1 (en) 2000-09-18 2006-10-10 Altera Corporation Devices and methods with programmable logic and digital signal processing regions
US7346644B1 (en) 2000-09-18 2008-03-18 Altera Corporation Devices and methods with programmable logic and digital signal processing regions
CA2375815A1 (en) * 2002-03-11 2003-09-11 Catena Networks Canada Inc. A system for performing a-law and u-law encoding and decoding
US20050031055A1 (en) * 2003-08-05 2005-02-10 Indesign, Llc, (An Indiana Limited Liability Company) Bit slicer system and method for synchronizing data streams
US8620980B1 (en) 2005-09-27 2013-12-31 Altera Corporation Programmable device with specialized multiplier blocks
US8266198B2 (en) * 2006-02-09 2012-09-11 Altera Corporation Specialized processing block for programmable logic device
US8041759B1 (en) 2006-02-09 2011-10-18 Altera Corporation Specialized processing block for programmable logic device
US8266199B2 (en) * 2006-02-09 2012-09-11 Altera Corporation Specialized processing block for programmable logic device
US8301681B1 (en) 2006-02-09 2012-10-30 Altera Corporation Specialized processing block for programmable logic device
US7836117B1 (en) 2006-04-07 2010-11-16 Altera Corporation Specialized processing block for programmable logic device
US7822800B2 (en) * 2006-05-19 2010-10-26 Camco Produktions-Und Vertriebs Gmbh Fur Beschallungs-Und Beleuchtungsanlagen Apparatus and method for performing a calculation operation
US7822799B1 (en) 2006-06-26 2010-10-26 Altera Corporation Adder-rounder circuitry for specialized processing block in programmable logic device
US8386550B1 (en) 2006-09-20 2013-02-26 Altera Corporation Method for configuring a finite impulse response filter in a programmable logic device
US8386553B1 (en) 2006-12-05 2013-02-26 Altera Corporation Large multiplier for programmable logic device
US7930336B2 (en) * 2006-12-05 2011-04-19 Altera Corporation Large multiplier for programmable logic device
US7814137B1 (en) 2007-01-09 2010-10-12 Altera Corporation Combined interpolation and decimation filter for programmable logic device
US8650231B1 (en) 2007-01-22 2014-02-11 Altera Corporation Configuring floating point operations in a programmable device
US7865541B1 (en) 2007-01-22 2011-01-04 Altera Corporation Configuring floating point operations in a programmable logic device
US8645450B1 (en) 2007-03-02 2014-02-04 Altera Corporation Multiplier-accumulator circuitry and methods
US7949699B1 (en) 2007-08-30 2011-05-24 Altera Corporation Implementation of decimation filter in integrated circuit device using ram-based data storage
US8959137B1 (en) 2008-02-20 2015-02-17 Altera Corporation Implementing large multipliers in a programmable integrated circuit device
US8244789B1 (en) 2008-03-14 2012-08-14 Altera Corporation Normalization of floating point operations in a programmable integrated circuit device
US8626815B1 (en) 2008-07-14 2014-01-07 Altera Corporation Configuring a programmable integrated circuit device to perform matrix multiplication
US8255448B1 (en) 2008-10-02 2012-08-28 Altera Corporation Implementing division in a programmable integrated circuit device
JP2010086902A (ja) * 2008-10-02 2010-04-15 Japan Aviation Electronics Industry Ltd コネクタ
US8307023B1 (en) 2008-10-10 2012-11-06 Altera Corporation DSP block for implementing large multiplier on a programmable integrated circuit device
US8645449B1 (en) 2009-03-03 2014-02-04 Altera Corporation Combined floating point adder and subtractor
US8805916B2 (en) * 2009-03-03 2014-08-12 Altera Corporation Digital signal processing circuitry with redundancy and bidirectional data paths
US8549055B2 (en) 2009-03-03 2013-10-01 Altera Corporation Modular digital signal processing circuitry with optionally usable, dedicated connections between modules of the circuitry
US8706790B1 (en) 2009-03-03 2014-04-22 Altera Corporation Implementing mixed-precision floating-point operations in a programmable integrated circuit device
US8886696B1 (en) 2009-03-03 2014-11-11 Altera Corporation Digital signal processing circuitry with redundancy and ability to support larger multipliers
US8468192B1 (en) 2009-03-03 2013-06-18 Altera Corporation Implementing multipliers in a programmable integrated circuit device
US8650236B1 (en) 2009-08-04 2014-02-11 Altera Corporation High-rate interpolation or decimation filter in integrated circuit device
US8396914B1 (en) 2009-09-11 2013-03-12 Altera Corporation Matrix decomposition in an integrated circuit device
US8412756B1 (en) 2009-09-11 2013-04-02 Altera Corporation Multi-operand floating point operations in a programmable integrated circuit device
US8539016B1 (en) 2010-02-09 2013-09-17 Altera Corporation QR decomposition in an integrated circuit device
US7948267B1 (en) 2010-02-09 2011-05-24 Altera Corporation Efficient rounding circuits and methods in configurable integrated circuit devices
US8601044B2 (en) * 2010-03-02 2013-12-03 Altera Corporation Discrete Fourier Transform in an integrated circuit device
US8458243B1 (en) 2010-03-03 2013-06-04 Altera Corporation Digital signal processing circuit blocks with support for systolic finite-impulse-response digital filtering
US8484265B1 (en) 2010-03-04 2013-07-09 Altera Corporation Angular range reduction in an integrated circuit device
US8510354B1 (en) 2010-03-12 2013-08-13 Altera Corporation Calculation of trigonometric functions in an integrated circuit device
US8364946B2 (en) * 2010-03-22 2013-01-29 Ishebabi Harold Reconfigurable computing system and method of developing application for deployment on the same
US8539014B2 (en) * 2010-03-25 2013-09-17 Altera Corporation Solving linear matrices in an integrated circuit device
US8862650B2 (en) 2010-06-25 2014-10-14 Altera Corporation Calculation of trigonometric functions in an integrated circuit device
US8589463B2 (en) 2010-06-25 2013-11-19 Altera Corporation Calculation of trigonometric functions in an integrated circuit device
US8577951B1 (en) 2010-08-19 2013-11-05 Altera Corporation Matrix operations in an integrated circuit device
US8645451B2 (en) 2011-03-10 2014-02-04 Altera Corporation Double-clocked specialized processing block in an integrated circuit device
US9600278B1 (en) 2011-05-09 2017-03-21 Altera Corporation Programmable device using fixed and configurable logic to implement recursive trees
US8812576B1 (en) 2011-09-12 2014-08-19 Altera Corporation QR decomposition in an integrated circuit device
US8949298B1 (en) 2011-09-16 2015-02-03 Altera Corporation Computing floating-point polynomials in an integrated circuit device
US9053045B1 (en) 2011-09-16 2015-06-09 Altera Corporation Computing floating-point polynomials in an integrated circuit device
US8762443B1 (en) 2011-11-15 2014-06-24 Altera Corporation Matrix operations in an integrated circuit device
US8543634B1 (en) 2012-03-30 2013-09-24 Altera Corporation Specialized processing block for programmable integrated circuit device
US9098332B1 (en) 2012-06-01 2015-08-04 Altera Corporation Specialized processing block with fixed- and floating-point structures
US8996600B1 (en) 2012-08-03 2015-03-31 Altera Corporation Specialized processing block for implementing floating-point multiplier with subnormal operation support
US9207909B1 (en) 2012-11-26 2015-12-08 Altera Corporation Polynomial calculations optimized for programmable integrated circuit device structures
US9189200B1 (en) 2013-03-14 2015-11-17 Altera Corporation Multiple-precision processing block in a programmable integrated circuit device
US9348795B1 (en) 2013-07-03 2016-05-24 Altera Corporation Programmable device using fixed and configurable logic to implement floating-point rounding
US9379687B1 (en) 2014-01-14 2016-06-28 Altera Corporation Pipelined systolic finite impulse response filter
JP6484957B2 (ja) * 2014-08-25 2019-03-20 サンケン電気株式会社 演算処理装置
US9684488B2 (en) 2015-03-26 2017-06-20 Altera Corporation Combined adder and pre-adder for high-radix multiplier circuit
US10942706B2 (en) 2017-05-05 2021-03-09 Intel Corporation Implementation of floating-point trigonometric functions in an integrated circuit device
DE102020210957A1 (de) * 2020-08-31 2022-03-03 Siemens Healthcare Gmbh Auswerteeinheit für einen Röntgendetektor, Röntgendetektor, medizinische Bildgebungsvorrichtung und Verfahren zum Betreiben eines Röntgendetektors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061886A (en) 1975-09-29 1977-12-06 Mostek Corporation Dual tone multiple frequency generator
DE2855151A1 (de) * 1978-12-20 1980-07-10 Siemens Ag Digitaler hoertongenerator
EP0054035B1 (de) 1980-06-18 1985-09-18 Telefonaktiebolaget L M Ericsson Interpolierender analog-digital-wandler
GB2103039A (en) * 1981-07-23 1983-02-09 Int Standard Electric Corp Electronic tone generator
US4460806A (en) * 1982-05-13 1984-07-17 At&T Bell Laboratories Dual tone multifrequency and dial pulse receiver
EP0103437B1 (de) * 1982-09-15 1986-08-13 Plessey Overseas Limited Digitale elektronische Vermittlungssysteme
US4530093A (en) * 1983-07-05 1985-07-16 International Standard Electric Corporation PCM Telecommunications system for voice and data
US4535454A (en) * 1983-09-15 1985-08-13 At&T Information Systems Inc. Multifrequency tone distribution using a conferencing arrangement
US4551721A (en) * 1983-10-07 1985-11-05 Honeywell Inc. Method for initializing a token-passing local-area network
US4608685A (en) * 1984-04-30 1986-08-26 Northern Telecom Limited Packet and circuit switched communications network
US4736362A (en) 1985-07-26 1988-04-05 Advanced Micro Devices, Inc. Programmable data-routing multiplexer
US4641247A (en) 1985-08-30 1987-02-03 Advanced Micro Devices, Inc. Bit-sliced, dual-bus design of integrated circuits

Also Published As

Publication number Publication date
JPS6253589A (ja) 1987-03-09
EP0216488A2 (de) 1987-04-01
US4718057A (en) 1988-01-05
DE3685706D1 (de) 1992-07-23
EP0216488A3 (en) 1988-10-05
EP0216488B1 (de) 1992-06-17
ATE77526T1 (de) 1992-07-15
JPH0652951B2 (ja) 1994-07-06

Similar Documents

Publication Publication Date Title
DE3685706T2 (de) Digitaler signalprozessor.
CA1334685C (en) Multiplexed digital packet telephone system
GB2200816A (en) Digital signal processing system
CA1287931C (en) Memory organization and output sequencer for a signal processor
GB2098830B (en) Voice recognizing telephone call denial system
EP0108117B1 (de) Zweitonmehrfrequenz- und wahlimpulsempfänger
ES474140A1 (es) Perfeccionamientos en conmutadores para interconectar sena- les de llamadas digitales respectivas de trayectos de llama-das de comunicacion diferente.
CA1234643A (en) Digital switch module
JPS57129060A (en) Telephone system calling signal scheduler
ZA791219B (en) Processing conference call transmission signals in a pcm t.d.m.transmission system
SE9100279D0 (sv) Telephone or data switching system with variable protocol inter-office communication
Nishitani et al. A 32 kb/s toll quality ADPCM codec using a single chip signal processor
US4924458A (en) Multiplex communication system
EP0245025A3 (en) Response system of a terminal to an incoming call
GB2177279A (en) Call diverter function in an early care telephone system
JPS54145415A (en) Hybrid terminal equipment
JPS56156080A (en) Transmitting system of multifrequency signal
KR100228790B1 (ko) 디지탈 키폰 주장치용 콘트롤러
GB1436878A (en) Pulse density modulation to pcm modulation translation
DE3468555D1 (en) Cell, and systolic architecture calculation circuit using such a cell
IE810335L (en) Telecommunications exchange
IT1140634B (it) Ricevitore digitale di chiamata,per la ricezione di tono segnali modulati impulsivamente in codice
ES2004015A6 (es) Sistema de control domestico por ordenador
JPS56103566A (en) Digital conference telephone system
JPS5769860A (en) Dialytic membrane consisting of cyanoethylated copper ammonia regenerated cellulose

Legal Events

Date Code Title Description
8364 No opposition during term of opposition