Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
  • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
  • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
  • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
  • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
  • H03K3/29—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator multistable
• • 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
  • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
  • H03J5/0227—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values using a counter

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Electronic Switches (AREA)
• Transmission And Conversion Of Sensor Element Output (AREA)
• Burglar Alarm Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5882795

Family Applications (1)

Country Status (7)

Family Cites Families (5)

• 1973
  • 1973-06-01 DE DE2327952A patent/DE2327952A1/de active Pending
• 1974
  • 1974-05-28 NL NL7407136A patent/NL7407136A/xx unknown
  • 1974-05-29 US US05/474,445 patent/US3944851A/en not_active Expired - Lifetime
  • 1974-05-31 IT IT23484/74A patent/IT1014677B/it active
  • 1974-05-31 FR FR7419106A patent/FR2232152B1/fr not_active Expired
  • 1974-05-31 JP JP49061733A patent/JPS5049974A/ja active Pending
  • 1974-05-31 SE SE7407259A patent/SE7407259L/ not_active Application Discontinuation

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