Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G99/00—Subject matter not provided for in other groups of this subclass
• • G—PHYSICS
  • G04—HOROLOGY
  • G04F—TIME-INTERVAL MEASURING
  • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
  • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
  • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G3/00—Producing timing pulses
  • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G9/00—Visual time or date indication means
  • G04G9/0023—Visual time or date indication means by light valves in general
  • G04G9/0029—Details
  • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
  • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
  • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
  • H01L29/70—Bipolar devices
  • H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
  • H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• Ceramic Engineering (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Computer Hardware Design (AREA)
• Electric Clocks (AREA)
• Oscillators With Electromechanical Resonators (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Adornments (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=11971015

Family Applications (1)

Country Status (5)

Families Citing this family (5)

Family Cites Families (3)

• 1977
  • 1977-02-22 JP JP1841577A patent/JPS53103770A/ja active Pending
• 1978
  • 1978-02-20 GB GB6649/78A patent/GB1561626A/en not_active Expired
  • 1978-02-22 CH CH193378A patent/CH641001B/fr unknown
• 1980
  • 1980-08-08 US US06/176,502 patent/US4398833A/en not_active Expired - Lifetime
• 1982
  • 1982-11-25 HK HK503/82A patent/HK50382A/xx unknown

Also Published As

Similar Documents