GB908100A - Improvements in or relating to signal receivers using transistors - Google Patents

Improvements in or relating to signal receivers using transistors

Info

Publication number
GB908100A
GB908100A GB28445/61A GB2844561A GB908100A GB 908100 A GB908100 A GB 908100A GB 28445/61 A GB28445/61 A GB 28445/61A GB 2844561 A GB2844561 A GB 2844561A GB 908100 A GB908100 A GB 908100A
Authority
GB
United Kingdom
Prior art keywords
stages
conditions
input
class
operate
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
GB28445/61A
Other languages
English (en)
Inventor
Gottfried Tschannen
Heinrich Koenig
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.)
Siemens Schweiz AG
Albiswerk Zuerich AG
Original Assignee
Siemens Albis AG
Albiswerk Zuerich 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 Siemens Albis AG, Albiswerk Zuerich AG filed Critical Siemens Albis AG
Publication of GB908100A publication Critical patent/GB908100A/en
Expired legal-status Critical Current

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)
GB28445/61A 1959-04-27 1961-08-04 Improvements in or relating to signal receivers using transistors Expired GB908100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7260059A CH369047A (de) 1959-04-27 1959-04-27 Tragbarer Rufsignalempfänger mit Transistor-Signalverstärker

Publications (1)

Publication Number Publication Date
GB908100A true GB908100A (en) 1962-10-17

Family

ID=4531928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28445/61A Expired GB908100A (en) 1959-04-27 1961-08-04 Improvements in or relating to signal receivers using transistors

Country Status (4)

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

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 (enrdf_load_stackoverflow) * 1932-04-30 1937-02-15

Also Published As

Publication number Publication date
DE1120324B (de) 1961-12-21
CH369047A (de) 1963-04-30
NL267845A (enrdf_load_stackoverflow) 1900-01-01

Similar Documents

Publication Publication Date Title
US2912574A (en) Power saving and decoding circuit for radio receiver
US2935572A (en) Electrical signaling system
US3716790A (en) Single sideband system utilizing two tone modulation
GB908100A (en) Improvements in or relating to signal receivers using transistors
GB1030578A (en) Detector circuits for damped a.c. signal waves
GB981158A (en) Radio receiver squelch system
US3441854A (en) Encoder-decoder circuit including diode switching of a stage from an amplifier to an oscillator
GB656189A (en) Improvements in or relating to receiving circuits for telephony
JPS54103601A (en) Uhf electronic tuner
GB824811A (en) Transistor receiver
US3176239A (en) Impulse-noise arresting tuned amplifier
US3300723A (en) Squelch circuit
GB878685A (en) Improvements in or relating to receiver circuits for selective calling
GB726240A (en) Improvements in and relating to high frequency communication systems
GB836037A (en) Improvements in or relating to electric communication systems
GB946952A (en) Improvements relating to voice-frequency signal receivers as used in telephone systems
JPS602694Y2 (ja) 電子機器の作動制御装置
GB1114204A (en) Improvements in or relating to tuning arrangements
GB1268782A (en) Transmission system
GB1191423A (en) Signal Translating Arrangement.
JPS5723382A (en) Remote controlled receiving circuit
GB1047587A (en) Circuit arrangement for a relay operating an automatic station-search drive in television or broadcasting sets
GB1102761A (en) Selective signal receiver with tuned protective circuit
GB941774A (en) Improvements in or relating to speech frequency signal receivers
GB796082A (en) Improved a.m. or f.m. radio receiver detector circuit