FR873651A - Système de transmission à onde porteuse à deux fils - Google Patents

Système de transmission à onde porteuse à deux fils

Info

Publication number
FR873651A
FR873651A FR873651DA FR873651A FR 873651 A FR873651 A FR 873651A FR 873651D A FR873651D A FR 873651DA FR 873651 A FR873651 A FR 873651A
Authority
FR
France
Prior art keywords
transmission system
carrier wave
wave transmission
wire carrier
wire
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
Other languages
English (en)
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.)
Lorenz AG
Original Assignee
Lorenz AG
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 Lorenz AG filed Critical Lorenz AG
Application granted granted Critical
Publication of FR873651A publication Critical patent/FR873651A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H1/00—Supports or stands forming part of or attached to cycles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H2700/00—Supports or stands for two-wheel vehicles
    • B62H2700/005—Stands or support attached to bicycle pedals, stands or supports in combination with locking devices, stands to be used as luggage carrier
FR873651D 1940-03-13 1941-07-04 Système de transmission à onde porteuse à deux fils Expired FR873651A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE216838X 1940-03-13

Publications (1)

Publication Number Publication Date
FR873651A true FR873651A (fr) 1942-07-16

Family

ID=5830413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873651D Expired FR873651A (fr) 1940-03-13 1941-07-04 Système de transmission à onde porteuse à deux fils

Country Status (4)

Country Link
US (1) US2323033A (fr)
BE (2) BE440661A (fr)
CH (1) CH216838A (fr)
FR (1) FR873651A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125026A (en) * 1989-12-21 1992-06-23 H & K Devices, Inc. Internal telephone intercom system

Also Published As

Publication number Publication date
BE440664A (fr)
BE440661A (fr)
US2323033A (en) 1943-06-29
CH216838A (de) 1941-09-15

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