BE440664A - - Google Patents

Info

Publication number
BE440664A
BE440664A BE440664DA BE440664A BE 440664 A BE440664 A BE 440664A BE 440664D A BE440664D A BE 440664DA BE 440664 A BE440664 A BE 440664A
Authority
BE
Belgium
Application number
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.)
Publication of BE440664A publication Critical patent/BE440664A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/36Repeater circuits
    • H04B3/38Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62HCYCLE 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
    • B62H1/00Supports or stands forming part of or attached to cycles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/54Circuits using the same frequency for two directions of communication
    • H04B1/58Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62HCYCLE 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
    • B62H2700/00Supports or stands for two-wheel vehicles
    • B62H2700/005Stands or support attached to bicycle pedals, stands or supports in combination with locking devices, stands to be used as luggage carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE440664D 1940-03-13 BE440664A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE440664A true BE440664A (en)

Family

ID=5830413

Family Applications (2)

Application Number Title Priority Date Filing Date
BE440661D BE440661A (en) 1940-03-13
BE440664D BE440664A (en) 1940-03-13

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE440661D BE440661A (en) 1940-03-13

Country Status (4)

Country Link
US (1) US2323033A (en)
BE (2) BE440664A (en)
CH (1) CH216838A (en)
FR (1) FR873651A (en)

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
US2323033A (en) 1943-06-29
FR873651A (en) 1942-07-16
CH216838A (en) 1941-09-15
BE440661A (en)

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