GB1210152A - Hybrid unit - Google Patents

Hybrid unit

Info

Publication number
GB1210152A
GB1210152A GB3303768A GB3303768A GB1210152A GB 1210152 A GB1210152 A GB 1210152A GB 3303768 A GB3303768 A GB 3303768A GB 3303768 A GB3303768 A GB 3303768A GB 1210152 A GB1210152 A GB 1210152A
Authority
GB
United Kingdom
Prior art keywords
wire line
july
hybrid
hybrid unit
antisidetone
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
Application number
GB3303768A
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 Standard Electric Corp
Original Assignee
International Standard Electric 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 Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1210152A publication Critical patent/GB1210152A/en
Expired legal-status Critical Current

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/03—Hybrid circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

1,210,152. Hybrid circuits. INTERNATIONAL STANDARD ELECTRIC CORP. 11 July, 1968 [18 July, 1967], No. 33037/68. Heading H4R. A hybrid arrangement for connecting a source G and a receive amplifier terminals FF to a two wire line includes a balancing network N comprising a transistor T controlled, by its connection to a current transformer in the two wire line, to take an identical current to that flowing in the two wire line and to ensure perfect antisidetone balance.
GB3303768A 1967-07-18 1968-07-11 Hybrid unit Expired GB1210152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT667967 1967-07-18

Publications (1)

Publication Number Publication Date
GB1210152A true GB1210152A (en) 1970-10-28

Family

ID=3588717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3303768A Expired GB1210152A (en) 1967-07-18 1968-07-11 Hybrid unit

Country Status (4)

Country Link
CH (1) CH478491A (en)
ES (1) ES356228A1 (en)
FR (1) FR1573659A (en)
GB (1) GB1210152A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7805416A (en) * 1978-05-19 1979-11-21 Philips Nv SELF-ADJUSTING FORK GEARS.
DE3230886A1 (en) * 1982-08-19 1984-02-23 Siemens AG, 1000 Berlin und 8000 München ACTIVE FORK GEAR WITH LOW LOSS PERFORMANCE

Also Published As

Publication number Publication date
DE1762597B2 (en) 1972-08-17
CH478491A (en) 1969-09-15
FR1573659A (en) 1969-07-04
DE1762597A1 (en) 1970-10-01
ES356228A1 (en) 1970-01-01

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee