LU83913A1 - Generateur de trains de signaux radioelectriques et emetteur portatif comprenant un tel generateur - Google Patents

Generateur de trains de signaux radioelectriques et emetteur portatif comprenant un tel generateur Download PDF

Info

Publication number
LU83913A1
LU83913A1 LU83913A LU83913A LU83913A1 LU 83913 A1 LU83913 A1 LU 83913A1 LU 83913 A LU83913 A LU 83913A LU 83913 A LU83913 A LU 83913A LU 83913 A1 LU83913 A1 LU 83913A1
Authority
LU
Luxembourg
Prior art keywords
generator
capacitor
transistor
source
antenna
Prior art date
Application number
LU83913A
Other languages
English (en)
French (fr)
Inventor
L Szakvary
Original Assignee
Elphora
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 Elphora filed Critical Elphora
Publication of LU83913A1 publication Critical patent/LU83913A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/021—Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H04B1/0343—Portable transmitters to be carried on the body
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Transmitters (AREA)
LU83913A 1981-11-19 1982-01-29 Generateur de trains de signaux radioelectriques et emetteur portatif comprenant un tel generateur LU83913A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8121689 1981-11-19
FR8121689A FR2516724B1 (fr) 1981-11-19 1981-11-19 Generateur de trains de signaux radioelectriques et emetteur portatif comprenant un tel generateur

Publications (1)

Publication Number Publication Date
LU83913A1 true LU83913A1 (fr) 1982-07-07

Family

ID=9264172

Family Applications (1)

Application Number Title Priority Date Filing Date
LU83913A LU83913A1 (fr) 1981-11-19 1982-01-29 Generateur de trains de signaux radioelectriques et emetteur portatif comprenant un tel generateur

Country Status (10)

Country Link
US (1) US4430757A (it)
JP (1) JPS5892145A (it)
BE (1) BE891962A (it)
CA (1) CA1182196A (it)
CH (1) CH645763A5 (it)
DE (1) DE3209662A1 (it)
FR (1) FR2516724B1 (it)
IT (1) IT1157619B (it)
LU (1) LU83913A1 (it)
NL (1) NL8200406A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342481A3 (en) * 1988-05-20 1990-10-17 Armin Dr. Tiefengraber Indicator for the recovery of skiers buried by an avalanche

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692749A (en) * 1985-08-29 1987-09-08 Bussing Jr Wilfred C Wearable alarm
US5245314A (en) * 1985-09-18 1993-09-14 Kah Jr Carl L C Location monitoring system
US5159713A (en) * 1985-11-27 1992-10-27 Seiko Corp. Watch pager and wrist antenna
US4694284A (en) * 1986-04-14 1987-09-15 Serge Leveille Abduction-preventing collar
DE3643236A1 (de) * 1986-12-18 1988-07-07 Ruhrkohle Ag Personenschutzfunkgeraet
DE3841897A1 (de) * 1988-12-13 1990-06-21 Guenter Dipl Phys Kampffmeyer Vorrichtung zum freihalten gartenwirtschaftlich genutzter bodenflaechen von schnecken
US5025704A (en) * 1989-04-14 1991-06-25 Airjack Wireless Systems Incorporated Cordless guitar transmitter
US5307193A (en) * 1991-01-17 1994-04-26 Go-Video Inc. Control signal repeater system
DE4405628A1 (de) * 1994-02-22 1995-08-24 Rohde & Schwarz Tragbarer Hochfrequenzsender mit Stabantenne
KR970010403B1 (ko) * 1994-07-14 1997-06-26 김주인 스포츠용 방수 및 발수기능을 갖는 속장갑의 제조방법
US5771441A (en) * 1996-04-10 1998-06-23 Altstatt; John E. Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
IT1312253B1 (it) * 1999-02-25 2002-04-09 Loris Granziera Bastoncino da sci provvisto di avvisatore acusticoe/o radiosegnalatore.
US7891233B2 (en) * 2003-05-27 2011-02-22 Thorncorp Pty Ltd Blast movement monitor
US7430442B2 (en) * 2004-04-30 2008-09-30 Shiping He Miniature bidirectional amplifier
US20110110529A1 (en) * 2009-10-15 2011-05-12 Semcken Kevin R Wireless audio system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1993436A (en) 1931-04-21 1935-03-05 Eberhard Heinrich Transmitter device
US3134074A (en) * 1961-05-08 1964-05-19 Vega Electronics Corp Microphone transmitter having a lavalier type antenna
US3462710A (en) 1967-12-27 1969-08-19 Tohoku Oki Electric Co Crystal-controlled grounded emitter oscillator
US3825833A (en) 1972-05-18 1974-07-23 J Bogue Personal security device
US3806936A (en) 1972-08-14 1974-04-23 Aero Electronics Dev Co Inc Personal locator
US3852758A (en) * 1973-03-12 1974-12-03 J Polson Coupling method and device for animal mountable electronic package
FR2348607A1 (fr) * 1976-04-16 1977-11-10 Gardyn Daniel Emetteur pulse
DE2628193A1 (de) * 1976-06-23 1977-12-29 Licentia Gmbh Verfahren und einrichtung zur ortung gefaehrdeter personen, insbesondere zur rettung von bergsteigern oder lawinenverschuetteten skilaeufern
GB1581224A (en) * 1977-05-20 1980-12-10 Swales S G A Radio transmitter and security system including same
US4327444A (en) 1979-06-04 1982-04-27 Tmx Systems Limited Miniature transmitter and method for making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342481A3 (en) * 1988-05-20 1990-10-17 Armin Dr. Tiefengraber Indicator for the recovery of skiers buried by an avalanche

Also Published As

Publication number Publication date
JPS5892145A (ja) 1983-06-01
FR2516724A1 (fr) 1983-05-20
IT1157619B (it) 1987-02-18
US4430757A (en) 1984-02-07
IT8212426A0 (it) 1982-02-03
CA1182196A (en) 1985-02-05
FR2516724B1 (fr) 1985-06-07
BE891962A (fr) 1982-07-29
NL8200406A (nl) 1983-06-16
CH645763A5 (fr) 1984-10-15
DE3209662A1 (de) 1983-05-26

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