ES366013A1 - Timepiece driven by nuclear energy - Google Patents

Timepiece driven by nuclear energy

Info

Publication number
ES366013A1
ES366013A1 ES366013A ES366013A ES366013A1 ES 366013 A1 ES366013 A1 ES 366013A1 ES 366013 A ES366013 A ES 366013A ES 366013 A ES366013 A ES 366013A ES 366013 A1 ES366013 A1 ES 366013A1
Authority
ES
Spain
Prior art keywords
battery
plates
source
timepiece
type
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
ES366013A
Other languages
Spanish (es)
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.)
Baumgartner Freres SA
Original Assignee
Baumgartner Freres SA
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 Baumgartner Freres SA filed Critical Baumgartner Freres SA
Publication of ES366013A1 publication Critical patent/ES366013A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/16—Apparatus for producing preselected time intervals for use as timing standards using pulses produced by radio-isotopes
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/02—Arrangements of electric power supplies in time pieces the power supply being a radioactive or photovoltaic source

Abstract

A battery for supplying the driving circuit of an electric timepiece comprises a disc or layer of a radio-active, #-ray emitting source 1 of Ni 63 or Sr 40 between plates 2, 21 of magnesium oxide. Secondary electrons released from these plates charge collector electrodes 3, 31 spaced from the plates. The battery is accommodated in a sealed, evacuated casing and aligned windows 6, 7 in the plate 2 and the electrode 3 enable #-rays to be received by a semi-conductor device 8 to provide a time base for the timepiece. In a modification the source 1 may be rod shaped and surrounded by cylindrical plates and electrodes. Alternatively the battery may comprise a source of Sr 90 located between two doped crystals of PN-type or NP-type in which electron-hole pairs are produced by the #-particles. A battery is also described in which the collector electrode is directly charged to a voltage of about 300 V. by a source of #-radiation such as tritium.
ES366013A 1968-04-17 1969-04-14 Timepiece driven by nuclear energy Expired ES366013A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH566368A CH521625A (en) 1968-04-17 1968-04-17 Timepiece powered by nuclear energy

Publications (1)

Publication Number Publication Date
ES366013A1 true ES366013A1 (en) 1972-04-01

Family

ID=4297339

Family Applications (1)

Application Number Title Priority Date Filing Date
ES366013A Expired ES366013A1 (en) 1968-04-17 1969-04-14 Timepiece driven by nuclear energy

Country Status (9)

Country Link
US (1) US3562613A (en)
BE (1) BE731610A (en)
CH (2) CH566368A4 (en)
DE (2) DE1966834A1 (en)
ES (1) ES366013A1 (en)
FR (1) FR2007470A1 (en)
GB (1) GB1267399A (en)
NL (1) NL6905976A (en)
SE (1) SE351933B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH255170A4 (en) * 1970-02-23 1976-03-31
GB1443434A (en) * 1973-01-22 1976-07-21 Mullard Ltd Semiconductor devices
DE2404628A1 (en) * 1973-03-13 1974-10-03 Biviator Sa ELECTRONIC CLOCK
US4023088A (en) * 1975-07-23 1977-05-10 White, Letcher T. Radiation-to-a.c. converter
US4835433A (en) * 1986-04-23 1989-05-30 Nucell, Inc. Apparatus for direct conversion of radioactive decay energy to electrical energy
WO2006077520A1 (en) * 2005-01-18 2006-07-27 Nxp B.V. Tamper-resistant time reference and apparatus using same
CN106847353B (en) * 2017-01-05 2018-07-06 中国原子能科学研究院 Lutetium oxide target piece pellet preparation process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520603A (en) * 1948-09-25 1950-08-29 Rca Corp Method of and means for utilizing charged-particle radiation
US2720582A (en) * 1950-01-31 1955-10-11 Rca Corp Radio pulse systems utilizing radioactive materials
US2835105A (en) * 1953-06-02 1958-05-20 Ancienne Manufacture D Horloge Electrostatic balance clock
US2837666A (en) * 1953-07-24 1958-06-03 Ernest G Linder Radioactive voltage source employing a gaseous dielectric medium
CH327804A (en) * 1954-03-02 1958-02-15 Ancienne Manufacture D Horloge Movement, especially clockwork movement
US2858459A (en) * 1954-06-02 1958-10-28 Erich G K Schwarz Secondary emission type of nuclear battery
US2952817A (en) * 1954-11-17 1960-09-13 Raytheon Co Semiconductor noise generators
US2926268A (en) * 1954-12-29 1960-02-23 Reymond Ralph Daniel Self-powered electron discharge tube devices
CH331069A (en) * 1955-04-26 1958-06-30 Omega Brandt & Freres Sa Louis Amplifier electronic cell
CH497725A (en) * 1962-01-31 1964-12-31 Straumann Inst Ag Drive for a timing device driven by audio-frequency, translational oscillations
US3370414A (en) * 1965-06-22 1968-02-27 Benrus Watch Company Inc Electronic timepiece

Also Published As

Publication number Publication date
SE351933B (en) 1972-12-11
NL6905976A (en) 1969-10-21
BE731610A (en) 1969-10-01
US3562613A (en) 1971-02-09
CH566368A4 (en) 1971-11-30
DE1918308C3 (en) 1975-09-18
DE1918308A1 (en) 1969-10-23
GB1267399A (en) 1972-03-15
FR2007470A1 (en) 1970-01-09
DE1966834A1 (en) 1974-10-31
CH521625A (en) 1971-11-30
DE1918308B2 (en) 1975-01-30

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