CH369047A - Portable call signal receiver with transistor signal amplifier - Google Patents

Portable call signal receiver with transistor signal amplifier

Info

Publication number
CH369047A
CH369047A CH7260059A CH7260059A CH369047A CH 369047 A CH369047 A CH 369047A CH 7260059 A CH7260059 A CH 7260059A CH 7260059 A CH7260059 A CH 7260059A CH 369047 A CH369047 A CH 369047A
Authority
CH
Switzerland
Prior art keywords
transistor
portable call
signal receiver
amplifier
call signal
Prior art date
Application number
CH7260059A
Other languages
German (de)
Inventor
Heinrich Dipl El Ing Koenig
Tschannen Gottfried
Original Assignee
Siemens Ag Albis
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 to NL267845D priority Critical patent/NL267845A/xx
Application filed by Siemens Ag Albis filed Critical Siemens Ag Albis
Priority to CH7260059A priority patent/CH369047A/en
Priority to DEA32053A priority patent/DE1120324B/en
Priority to GB28445/61A priority patent/GB908100A/en
Publication of CH369047A publication Critical patent/CH369047A/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244Stepped control
    • 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1607Supply circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0241Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where no transmission is received, e.g. out of range of the transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0261Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/022Selective call receivers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Mobile Radio Communication Systems (AREA)
CH7260059A 1959-04-27 1959-04-27 Portable call signal receiver with transistor signal amplifier CH369047A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL267845D NL267845A (en) 1959-04-27
CH7260059A CH369047A (en) 1959-04-27 1959-04-27 Portable call signal receiver with transistor signal amplifier
DEA32053A DE1120324B (en) 1959-04-27 1959-05-15 Signal amplifier with transistors for portable call signal receivers
GB28445/61A GB908100A (en) 1959-04-27 1961-08-04 Improvements in or relating to signal receivers using transistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7260059A CH369047A (en) 1959-04-27 1959-04-27 Portable call signal receiver with transistor signal amplifier

Publications (1)

Publication Number Publication Date
CH369047A true CH369047A (en) 1963-04-30

Family

ID=4531928

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7260059A CH369047A (en) 1959-04-27 1959-04-27 Portable call signal receiver with transistor signal amplifier

Country Status (4)

Country Link
CH (1) CH369047A (en)
DE (1) DE1120324B (en)
GB (1) GB908100A (en)
NL (1) NL267845A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872347A (en) * 1929-03-30 1932-08-16 Rca Corp Amplifier tube control
NL40011C (en) * 1932-04-30 1937-02-15

Also Published As

Publication number Publication date
NL267845A (en) 1900-01-01
DE1120324B (en) 1961-12-21
GB908100A (en) 1962-10-17

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