4. Telephonic communications
  5. Substation or terminal circuitry
  6. Amplifying

Emil Navratil

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active

Controllable circuit configuration for compensating fluctuations

Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – With compensation
Patent

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Method for gain control in telephone sets having an electronic s

Telephonic communications – Substation or terminal circuitry – Amplifying
Patent

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Ringer circuit

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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Speech circuit configuration

Telephonic communications – Substation or terminal circuitry – Amplifying
Patent

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Profile ID: LFUS-PAI-P-670726

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