CH593527A5 - - Google Patents

Info

Publication number
CH593527A5
CH593527A5 CH437176A CH437176A CH593527A5 CH 593527 A5 CH593527 A5 CH 593527A5 CH 437176 A CH437176 A CH 437176A CH 437176 A CH437176 A CH 437176A CH 593527 A5 CH593527 A5 CH 593527A5
Authority
CH
Switzerland
Application number
CH437176A
Original Assignee
Von Sonnenburg Ernst F Funktec
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
Priority claimed from DE19752515265 external-priority patent/DE2515265B1/en
Priority claimed from DE19762612331 external-priority patent/DE2612331C2/en
Application filed by Von Sonnenburg Ernst F Funktec filed Critical Von Sonnenburg Ernst F Funktec
Publication of CH593527A5 publication Critical patent/CH593527A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/022—Selective call receivers
    • H04W88/025—Selective call decoders
    • H04W88/027—Selective call decoders using frequency address codes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac
    • G08C19/14—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac using combination of fixed frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
CH437176A 1975-04-08 1976-04-07 CH593527A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752515265 DE2515265B1 (en) 1975-04-08 1975-04-08 Method and circuit arrangement for evaluating subsequent tone signals
DE19762612331 DE2612331C2 (en) 1976-03-23 1976-03-23 Method and circuit arrangement for evaluating subsequent tone signals

Publications (1)

Publication Number Publication Date
CH593527A5 true CH593527A5 (en) 1977-12-15

Family

ID=25768731

Family Applications (1)

Application Number Title Priority Date Filing Date
CH437176A CH593527A5 (en) 1975-04-08 1976-04-07

Country Status (3)

Country Link
AT (1) AT343213B (en)
CH (1) CH593527A5 (en)
FR (1) FR2307423A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766523A (en) * 1972-10-04 1973-10-16 Motorola Inc Sequential tone signalling system
US3803429A (en) * 1972-11-07 1974-04-09 Motorola Inc Switchable frequency tone filter and detector with high speed switching capability
DE2311204B1 (en) * 1973-03-07 1974-03-28 Bosch Gmbh Robert Evaluator for a selective call consisting of several successive tone frequencies of a given duration

Also Published As

Publication number Publication date
ATA245276A (en) 1977-09-15
FR2307423B1 (en) 1979-04-20
FR2307423A1 (en) 1976-11-05
AT343213B (en) 1978-05-10

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Legal Events

Date Code Title Description
PL Patent ceased