DE69428068D1
(en )
2001-10-04
Subscriber interface circuit
DE69631951T2
(en )
2005-04-21
COMMUNICATION CIRCUIT
KR960025995U
(en )
1996-07-22
Ring volume control circuit of telephone
KR970007449U
(en )
1997-02-21
Receive volume control of telephone
KR960025996U
(en )
1996-07-22
Receive volume control of telephone
KR960006552U
(en )
1996-02-17
Call recording circuit of telephone
KR950021889U
(en )
1995-07-28
Telephone ring volume adjustment circuit
KR970047873U
(en )
1997-07-31
Telephone ring tone control circuit
KR960015803U
(en )
1996-05-17
Call volume control circuit
KR970007438U
(en )
1997-02-21
Dimming button device of telephone
KR970011662U
(en )
1997-03-29
Improved inner phone
KR980005824U
(en )
1998-03-30
Incoming volume control of telephone
KR960008567U
(en )
1996-03-15
Ring Terminal
KR970007453U
(en )
1997-02-21
Hook switch control circuit of telephone
KR970003527U
(en )
1997-01-24
Reverse current protection circuit of wireless telephone
KR960032502U
(en )
1996-10-24
Ring tone variable circuit
KR970047874U
(en )
1997-07-31
Speaker output control circuit of telephone handset
KR970003521U
(en )
1997-01-24
Telephone ring tone selection circuit
KR970064435U
(en )
1997-12-11
Keypad device of the phone
KR950021905U
(en )
1995-07-28
Peripheral equipment control circuit of wireless telephone
KR950031628U
(en )
1995-11-22
Telephone which can change tone of telephone ring
KR940008817U
(en )
1994-04-21
Telephone handset circuit
KR970047862U
(en )
1997-07-31
Dial correction circuit of telephone
KR960025688U
(en )
1996-07-22
Overcharge prevention circuit of wireless telephone
KR970038971U
(en )
1997-07-29
Control circuit of water purifier with telephone