4. Telephonic communications
  5. Supervisory or control line signaling
  6. Using line or loop condition detection

Jing H. Sun

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Automatic balancing circuit for longitudinal transmission system

Telephonic communications – Substation or terminal circuitry – Impedance matching or line equalizing
Patent

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Multi element security system

Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent

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Transient signal elimination circuit for telecommunications appl

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Patent

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Transient signal elimination circuit for telecommunications appl

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Patent

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Profile ID: LFUS-PAI-P-889812

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