CH275999A - Device for monitoring and maintaining an intermediate station in high-frequency transmission channels. - Google Patents

Device for monitoring and maintaining an intermediate station in high-frequency transmission channels.

Info

Publication number
CH275999A
CH275999A CH275999DA CH275999A CH 275999 A CH275999 A CH 275999A CH 275999D A CH275999D A CH 275999DA CH 275999 A CH275999 A CH 275999A
Authority
CH
Switzerland
Prior art keywords
monitoring
maintaining
transmission channels
frequency transmission
intermediate station
Prior art date
Application number
Other languages
German (de)
Inventor
Patentverwertungs-Elektro-Hold
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of CH275999A publication Critical patent/CH275999A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
CH275999D 1949-09-20 1949-09-20 Device for monitoring and maintaining an intermediate station in high-frequency transmission channels. CH275999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1024696X 1949-09-20

Publications (1)

Publication Number Publication Date
CH275999A true CH275999A (en) 1951-06-15

Family

ID=4553296

Family Applications (1)

Application Number Title Priority Date Filing Date
CH275999D CH275999A (en) 1949-09-20 1949-09-20 Device for monitoring and maintaining an intermediate station in high-frequency transmission channels.

Country Status (4)

Country Link
CH (1) CH275999A (en)
DE (1) DE844325C (en)
FR (1) FR1024696A (en)
NL (1) NL78145C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964691C (en) * 1951-01-12 1957-05-29 Rca Corp Relay station

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034716B (en) * 1952-02-09 1958-07-24 Iapatelholdiapatentverwertungs Device for functional testing of a frequency-modulated receiving system
DE972510C (en) * 1952-10-03 1959-08-06 Andre Eugene Pinet Locking device for receivers in multiple transmission systems
US2876341A (en) * 1953-06-11 1959-03-03 Western Union Telegraph Co Fault alarm radio repeater system
US3048840A (en) * 1956-03-06 1962-08-07 Itt Communication system
DE1047272B (en) * 1957-09-25 1958-12-24 Siemens Ag Radio link with at least three radio frequency channels and one backup channel
DE1245446B (en) * 1962-02-20 1967-07-27 Siemens Ag Directional radio overlay receiver for waves modulated in frequency

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2128230A (en) * 1937-09-02 1938-08-30 Bell Telephone Labor Inc Power transfer circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964691C (en) * 1951-01-12 1957-05-29 Rca Corp Relay station

Also Published As

Publication number Publication date
DE844325C (en) 1952-07-21
FR1024696A (en) 1953-04-03
NL78145C (en)

Similar Documents

Publication Publication Date Title
CH275999A (en) Device for monitoring and maintaining an intermediate station in high-frequency transmission channels.
CH267424A (en) Wireless signaling device with a question station and an automatic answering station.
CH271987A (en) Device for the transmission of electrical oscillations of acoustic frequency.
CH276295A (en) Device for monitoring the operational readiness of systems with relay stations for wireless multi-channel message transmission with pulse modulation.
CH277098A (en) Method and device for influencing movably arranged objects.
CH276113A (en) Drive device for alternating power and manual drive.
AT178646B (en) Circuit for limiting the amplitude in radio equipment
CA455683A (en) Radio transmission and monitoring system
AT173299B (en) Additional and transfer cases, especially for vehicles with all-wheel drive
AT192113B (en) Welding method and device for carrying out the same
CH307313A (en) Procedure for binding salami and device for setting up the procedure.
AT174642B (en) Method and circuit arrangement for the transmission of pulses with the aid of relay transmitters, in particular in telephone systems
AT175608B (en) Device for the transmission of messages
GR12801B (en) PLASTIC COILS FOR THE USE OF SPINNERS, LABORATORIES AND KNITWEARS.
CH278696A (en) Method for hydrostatic-elastic power transmission and coupling for carrying out the method.
CH285631A (en) Procedure for determining and correcting deviations in the stroke between telegraphic sending and receiving centers
CA455079A (en) Transmission system and method
CA457319A (en) Stretching device for ties and the like
CH299124A (en) Device for monitoring and maintaining a station in a frequency-modulated directional beam transmission system.
CH294188A (en) Device for multiple transmission of messages.
CH276018A (en) Motor vehicle transmission with Föttinger transformer.
AT172942B (en) Device for temporarily occluding the urethra and device for inserting the same
CA443881A (en) Knitting apparatus and method
ES26612Y (en) Tomato and similar fruit cutting device.
CA439521A (en) Punching apparatus