Power line telephone communications system having on hook digital voiceband messaging
First Claim
Patent Images
1. A power line telephone communications system having ON HOOK digital voiceband messaging comprising:
- means for supplying;
(a) first telephone signals transmitted from a telephone line and including;
(1) ring signals indicating an incoming call to the telephone,(2) ON HOOK digital voiceband signals representative of selected information, and(3) first information signals representative of OFF HOOK communications from the telephone line, and(b) second telephone signals transmitted from the telephone and including;
(1) ON HOOK/OFF HOOK status signals indicating the status of the telephone, and(2) second information signals representative of OFF HOOK communications from the telephone;
a base unit for receiving said first telephone signals from the telephone line and including;
(a) means responsive to said ring signals for generating a gated ring tone signal having a frequency at the upper end of the voiceband frequency range for each of said ring signals,(b) first detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and(c) a first information path responsive to said first detecting means for passing said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals;
a power line to which said base unit is connected and along which said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals are transmitted for reception by the telephone and along which said second telephone signals are transmitted to said base unit for reception at the telephone line; and
an extension unit connected between said power line and the telephone for receiving from said power line said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals and for conducting to said power line said second telephone signals, said extension unit adapted for connection to an indicator which indicates said selected information of said ON HOOK digital voiceband signals and including;
(a) second detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and(b) a second information path responsive to said second detecting means for passing said ON HOOK digital voiceband signals to the indicator when the telephone is ON HOOK.
11 Assignments
0 Petitions
Accused Products
Abstract
A power line telephone communications system having an ON HOOK digital voiceband messaging feature by which selected information contained in an incoming call to a telephone is received prior tc the telephone being lifted off its hook. The incoming ring signals, ON HOOK digital voiceband messaging and information signals are conducted by a base unit to the power line for transmission to an extension unit to which a telephone is connected.
-
Citations
10 Claims
-
1. A power line telephone communications system having ON HOOK digital voiceband messaging comprising:
-
means for supplying; (a) first telephone signals transmitted from a telephone line and including; (1) ring signals indicating an incoming call to the telephone, (2) ON HOOK digital voiceband signals representative of selected information, and (3) first information signals representative of OFF HOOK communications from the telephone line, and (b) second telephone signals transmitted from the telephone and including; (1) ON HOOK/OFF HOOK status signals indicating the status of the telephone, and (2) second information signals representative of OFF HOOK communications from the telephone; a base unit for receiving said first telephone signals from the telephone line and including; (a) means responsive to said ring signals for generating a gated ring tone signal having a frequency at the upper end of the voiceband frequency range for each of said ring signals, (b) first detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and (c) a first information path responsive to said first detecting means for passing said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals; a power line to which said base unit is connected and along which said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals are transmitted for reception by the telephone and along which said second telephone signals are transmitted to said base unit for reception at the telephone line; and an extension unit connected between said power line and the telephone for receiving from said power line said gated ring tone signals, said ON HOOK digital voiceband signals, and said first information signals and for conducting to said power line said second telephone signals, said extension unit adapted for connection to an indicator which indicates said selected information of said ON HOOK digital voiceband signals and including; (a) second detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and (b) a second information path responsive to said second detecting means for passing said ON HOOK digital voiceband signals to the indicator when the telephone is ON HOOK. - View Dependent Claims (2, 3, 4)
-
-
5. A power line telephone communications system having ON HOOK digital voiceband messaging comprising:
-
means for supplying; (a) first telephone signals transmitted from a telephone line for reception by a telephone, said first telephone signals including; (1) ring signals indicating an incoming call to the telephone, (2) ON HOOK digital voiceband signals occurring between the first and the second ring signals representative of selected information, and (3) first information signals representative of OFF HOOK communications from the telephone line, and (b) second telephone signals transmitted from the telephone for reception at the telephone line, said second telephone signals including; (1) ON HOOK/OFF HOOK status signals indicating the status of the telephone, and (2) second information signals representative of OFF HOOK communications from the telephone; a power line along which said first telephone signals are transmitted for reception by the telephone and said second telephone signals are transmitted for reception at the telephone line; a base unit connected between the telephone line and said power line for conducting to said power line said first telephone signals and for receiving from said power line said second telephone signals, said base unit including; (a) first detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and (b) a first information path responsive to said first detecting means for passing; (1) said ring signals to said power line when the telephone is ON HOOK, (2) said ON HOOK digital voiceband signals to said power line when the telephone is ON HOOK, and (3) said first information signals to said power line when the telephone is OFF HOOK, (c) a second information path responsive to said first detecting means for passing; (1) said ON HOOK/OFF HOOK status signals to the telephone line when the telephone is ON HOOK, (2) said ON HOOK/OFF HOOK status signals to the telephone line when the telephone is OFF HOOK, and (3) said second information signals to the telephone line when the telephone is OFF HOOK; and an extension unit connected between said power line and the telephone for receiving from said power line said first telephone signals and for conducting to said power line said second telephone signals, said extension unit adapted for connection to an indicator which indicates said selected information of said ON HOOK digital voiceband signals and including; (a) second detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, (b) a third information path responsive to said second detecting means for passing; (1) said ON HOOK digital voiceband signals to the indicator when the telephone is ON HOOK, (2) said ring signals to the telephone when the telephone is ON HOOK, and (3) said first information signals to the telephone when the telephone is OFF HOOK, (c) a fourth information path responsive to said second detecting means for passing; (1) said ON HOOK/OFF HOOK status signals to said power line when the telephone is ON HOOK, (2) said ON HOOK/OFF HOOK status signals to said power line when the telephone is OFF HOOK, and (3) said second information signals to said power line when the telephone is OFF HOOK.
-
-
6. A power line telephone communications system having ON HOOK digital voiceband messaging comprising:
-
means for supplying; (a) first telephone signals transmitted from a telephone line and including; (1) ring signals indicating an incoming call, (2) ON HOOK digital voiceband signals representative of selected information, and (3) first information signals representative of OFF HOOK communications from the telephone line, and (b) second telephone signals transmitted from the telephone and including; (1) ON HOOK/OFF HOOK status signals indicating the status of the telephone, and (2) second information signals representative of OFF HOOK communications from the telephone; a power line; a base unit connected between the telephone line and said power line for conducting to said power line gated ring tone signals each having a frequency at the upper end of the voiceband frequency range, said ON HOOK digital voiceband signals and said first information signals and for receiving from said power line said second telephone signals, said base unit including; (a) first detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, (b) a first information path responsive to said first detecting means for passing said ON HOOK digital voiceband signals to said power line when the telephone is ON HOOK, and (c) means for generating a gated ring tone signal having a frequency at the upper end of the voiceband frequency range for each of said ring signals; and an extension unit connected between said power line and the telephone for receiving from said power line said gated ring tone signals, said ON HOOK digital voiceband signals and said first information signals and for conducting to said power line said second telephone signals, said extension unit adapted for connection to an indicator which indicates said selected information of said ON HOOK digital voiceband signals and including; (a) second detecting means responsive to said ON HOOK/OFF HOOK status signals for determining when the telephone is ON HOOK and when the telephone is OFF HOOK, and (b) a second information path responsive to said second detecting means for passing said ON HOOK digital voiceband signals to the indicator when the telephone is ON HOOK. - View Dependent Claims (7, 8, 9, 10)
-
Specification