Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
  • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
  • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
  • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Microelectronics & Electronic Packaging (AREA)
• General Physics & Mathematics (AREA)
• Manufacturing & Machinery (AREA)
• Computer Hardware Design (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Power Engineering (AREA)
• Acoustics & Sound (AREA)
• Signal Processing (AREA)
• Bipolar Transistors (AREA)
• Bipolar Integrated Circuits (AREA)
• Die Bonding (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=21927441

Family Applications (1)

Country Status (4)

Families Citing this family (6)

• 0
  • NL NL267220D patent/NL267220A/xx unknown
  • BE BE606275D patent/BE606275A/xx unknown
• 1961
  • 1961-07-12 GB GB25221/61A patent/GB928562A/en not_active Expired
  • 1961-07-17 DE DEW30365A patent/DE1232270B/de active Pending

Also Published As

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