FR2028323A1 - - Google Patents

Info

Publication number
FR2028323A1
FR2028323A1 FR6932236A FR6932236A FR2028323A1 FR 2028323 A1 FR2028323 A1 FR 2028323A1 FR 6932236 A FR6932236 A FR 6932236A FR 6932236 A FR6932236 A FR 6932236A FR 2028323 A1 FR2028323 A1 FR 2028323A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6932236A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2028323A1 publication Critical patent/FR2028323A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
FR6932236A 1969-01-15 1969-09-16 Withdrawn FR2028323A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79141569A 1969-01-15 1969-01-15

Publications (1)

Publication Number Publication Date
FR2028323A1 true FR2028323A1 (fr) 1970-10-09

Family

ID=25153642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6932236A Withdrawn FR2028323A1 (fr) 1969-01-15 1969-09-16

Country Status (4)

Country Link
US (1) US3605019A (fr)
DE (1) DE1942724A1 (fr)
FR (1) FR2028323A1 (fr)
GB (1) GB1272975A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789239A (fr) * 1971-12-27 1973-01-15 Western Electric Co Procede et dispositif pour separer et demoduler simultanement un signalmultiplex
FR2188920A5 (fr) * 1972-06-15 1974-01-18 Trt Telecom Radio Electr
GB1469101A (en) * 1973-03-23 1977-03-30 Dolby Laboratories Inc Noise reduction systems
US3864632A (en) * 1973-10-01 1975-02-04 Rockwell International Corp Fast Equalization System
GB1517172A (en) * 1974-06-28 1978-07-12 Trt Telecom Radio Electr Telecommunication system
FR2315809A1 (fr) * 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence
US4001510A (en) * 1975-07-07 1977-01-04 Motorola, Inc. Digital modulator and demodulator system for fdm telephony
FR2326818A1 (fr) * 1975-10-02 1977-04-29 Thomson Csf Systeme de transmission telephonique, multiplexeur et demultiplexeur pour la mise en oeuvre d'un tel systeme
JPS5279747A (en) * 1975-12-26 1977-07-05 Sony Corp Noise removal circuit
GB1517675A (en) * 1976-02-24 1978-07-12 Nippon Electric Co Communication system
US4224678A (en) * 1976-04-05 1980-09-23 Northrop Corporation Method and apparatus for implementing a processor based on the rationalized Haar transform for the purpose of real time compression of video data
US4145575A (en) * 1976-10-21 1979-03-20 Nippon Electric Co., Ltd. Frequency-division multiplexed signal transmission system
NL180369C (nl) * 1977-04-04 1987-02-02 Philips Nv Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd.
US4131766A (en) * 1977-07-11 1978-12-26 Granger Associates Digital filter bank
JPS54134917A (en) * 1978-04-12 1979-10-19 Kokusai Denshin Denwa Co Ltd Device for reducing sampled frequency
US4237551A (en) * 1978-12-22 1980-12-02 Granger Associates Transmultiplexer
DE3672182D1 (de) * 1985-03-15 1990-07-26 Emi Ltd Signalgenerator mit gespreitztem spektrum.
US5191576A (en) * 1988-11-18 1993-03-02 L'Etat Francais and Telediffusion de France S.A. Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
US5048057A (en) * 1990-01-02 1991-09-10 At&T Bell Laboratories Wireless local area network
AU666411B2 (en) * 1992-11-27 1996-02-08 Commonwealth Scientific And Industrial Research Organisation A wireless LAN
EP1006665B1 (fr) * 1998-12-04 2003-05-28 Lucent Technologies Inc. Dissimulation et correction d'erreurs pour des signaux de parole, d'image et de vidéo
DE10008699C1 (de) * 2000-02-24 2001-05-23 Daimler Chrysler Ag Verfahren und Vorrichtung zur Analog-Digital-Wandlung eines Signals
DE10028593C1 (de) * 2000-06-14 2001-10-18 Daimler Chrysler Ag Verfahren und Vorrichtung zur Digital-Analog-Wandlung eines Signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209250A (en) * 1959-10-26 1965-09-28 Exxon Production Research Co Apparatus and method for inverse fourier analysis of electrical transients
US3423729A (en) * 1964-06-25 1969-01-21 Westinghouse Electric Corp Anti-fading error correction system
US3403227A (en) * 1965-10-22 1968-09-24 Page Comm Engineers Inc Adaptive digital vocoder

Also Published As

Publication number Publication date
DE1942724A1 (de) 1970-09-03
US3605019A (en) 1971-09-14
GB1272975A (en) 1972-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse