Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
  • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
  • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
• • G—PHYSICS
  • G04—HOROLOGY
  • G04G—ELECTRONIC TIME-PIECES
  • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
  • G04G15/006—Time-pieces comprising means to be operated at preselected times or after preselected time intervals for operating at a number of different times
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
  • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
  • G05B19/045—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
  • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Multimedia (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Automation & Control Theory (AREA)
• Computer Hardware Design (AREA)
• Signal Processing (AREA)
• Controls And Circuits For Display Device (AREA)
• Electric Clocks (AREA)
• Liquid Crystal Display Device Control (AREA)
• Television Systems (AREA)
• Circuits Of Receivers In General (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=14567448

Family Applications (1)

Country Status (5)

Families Citing this family (24)

Family Cites Families (7)

• 1975
  • 1975-09-17 JP JP50111680A patent/JPS5236420A/ja active Pending
• 1976
  • 1976-09-13 US US05/722,761 patent/US4088958A/en not_active Expired - Lifetime
  • 1976-09-17 GB GB38647/76A patent/GB1560889A/en not_active Expired
  • 1976-09-17 DE DE2641910A patent/DE2641910C3/de not_active Expired
  • 1976-09-17 FR FR7628073A patent/FR2325256A1/fr active Granted

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