PT89220A - Circuito de supressao e dispositivo de transmissao - Google Patents

Circuito de supressao e dispositivo de transmissao

Info

Publication number
PT89220A
PT89220A PT89220A PT8922088A PT89220A PT 89220 A PT89220 A PT 89220A PT 89220 A PT89220 A PT 89220A PT 8922088 A PT8922088 A PT 8922088A PT 89220 A PT89220 A PT 89220A
Authority
PT
Portugal
Prior art keywords
transmission device
cleaning circuit
cleaning
circuit
transmission
Prior art date
Application number
PT89220A
Other languages
English (en)
Other versions
PT89220B (pt
Inventor
Kiyoshi Kuroda
Original Assignee
Myukomu Kk
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 Myukomu Kk filed Critical Myukomu Kk
Publication of PT89220A publication Critical patent/PT89220A/pt
Publication of PT89220B publication Critical patent/PT89220B/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Noise Elimination (AREA)
PT89220A 1987-12-16 1988-12-14 Circuito de supressao e dispositivo de transmissao PT89220B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62315994A JPH0787404B2 (ja) 1987-12-16 1987-12-16 テレビ電話機に使用する伝送装置

Publications (2)

Publication Number Publication Date
PT89220A true PT89220A (pt) 1989-09-14
PT89220B PT89220B (pt) 1994-06-30

Family

ID=18072054

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89220A PT89220B (pt) 1987-12-16 1988-12-14 Circuito de supressao e dispositivo de transmissao

Country Status (14)

Country Link
EP (1) EP0321153A3 (pt)
JP (1) JPH0787404B2 (pt)
KR (1) KR930008706B1 (pt)
CN (1) CN1023626C (pt)
AR (1) AR247961A1 (pt)
AU (2) AU617141B2 (pt)
BR (1) BR8806687A (pt)
CA (1) CA1296439C (pt)
DK (1) DK693288A (pt)
FI (1) FI885770A (pt)
ID (1) ID887B (pt)
NO (1) NO885546L (pt)
NZ (1) NZ227331A (pt)
PT (1) PT89220B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002037767A1 (en) * 2000-11-06 2002-05-10 Josuya Technology Corp. Data communication system for compensating the attenuation of transmission signal
JP2005514857A (ja) * 2001-12-26 2005-05-19 グローブスパン ヴィラタ、インコーポレイテッド 簡便に適応可能なハイブリッド回路
US7738654B2 (en) * 2004-12-02 2010-06-15 Solarflare Communications, Inc. Isolation of transmit and receive signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576115A (en) * 1947-02-07 1951-11-27 Int Standard Electric Corp Arrangement for transmitting electric signals occupying a wide frequency band over narrow band circuits
US3974337A (en) * 1967-10-24 1976-08-10 Matsushita Electric Industrial Co., Ltd. FM television telephone system
JPS5168708A (pt) * 1974-12-11 1976-06-14 Ricoh Kk
US4064377A (en) * 1976-03-11 1977-12-20 Wescom Switching, Inc. Electronic hybrid and hybrid repeater
JPS5649029A (en) * 1979-09-26 1981-05-02 Yoshinobu Yasufuku Manufacture of flier
JPS5979644A (ja) * 1982-10-29 1984-05-08 Anritsu Corp 電子ハイブリツド回路
DE3640127A1 (de) * 1986-11-25 1988-06-01 Standard Elektrik Lorenz Ag Elektronische gabelschaltung

Also Published As

Publication number Publication date
NO885546D0 (no) 1988-12-14
ID887B (id) 1996-09-03
NZ227331A (en) 1991-10-25
AR247961A1 (es) 1995-04-28
CN1035403A (zh) 1989-09-06
JPH0787404B2 (ja) 1995-09-20
AU2681388A (en) 1989-06-22
KR890011228A (ko) 1989-08-14
FI885770A0 (fi) 1988-12-13
AU1092692A (en) 1992-07-16
KR930008706B1 (ko) 1993-09-13
NO885546L (no) 1989-06-19
EP0321153A2 (en) 1989-06-21
BR8806687A (pt) 1989-08-29
DK693288A (da) 1989-06-17
AU637541B2 (en) 1993-05-27
PT89220B (pt) 1994-06-30
DK693288D0 (da) 1988-12-13
CN1023626C (zh) 1994-01-26
JPH01158834A (ja) 1989-06-21
CA1296439C (en) 1992-02-25
AU617141B2 (en) 1991-11-21
EP0321153A3 (en) 1990-10-10
FI885770A (fi) 1989-06-17

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19931227

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20000630