Single chip telephone answering machine, telephone, speakerphone, and ADSI controller
First Claim
1. A telephone controller for controlling a telephone and coupling the telephone to a telephone line, the telephone including a memory, speaker means for providing an audible output, and microphone means for receiving an audible input, the telephone controller comprising:
- control means including a memory interface means for controlling storage in and retrieval of data from said memory, said memory interface means coupled to said memory by a memory bus, said memory interface means being coupled to an interface bus;
a digital signal processor for converting electrical signals representative of an audible input to digital data and for converting digital data to electrical signals representative of an audible output, said digital signal processor being coupled to said interface bus for communicating said digital data with said memory interface means;
telephone line interface means for coupling said digital signal processor to said telephone line for conveying said electrical signals representative of said audible input and audible output between said telephone line and said digital signal processor, for conveying said electrical signals representative of said audible output from said digital signal processor to said speaker means, and for conveying said electrical signals representative of said audible input from said microphone means to said digital signal processor; and
user interface means for coupling said telephone line interface means to said speaker means and said microphone means,said control means, said digital signal processor, said telephone line interface means, said user interface means and said interface bus are integrated in a common integrated circuit.
11 Assignments
0 Petitions
Accused Products
Abstract
The invention provides a single chip digital answering machine, telephone, speakerphone and analog display services interface controller circuit. The invention includes a telephone controller including a controller which includes a memory interface for controlling storage in and retrieval of data from a memory; a single digital processor for converting the electrical signals representative of an audible input to digital data and for converting digital data to electrical signals representative of an audible output; a telephone line interface for coupling the digital signal processor to the telephone line and a user interface for coupling the telephone line interface to a speaker and a microphone. The controller, the digital signal processor, the telephone line interface and the user interface are all integrated within a common integrated circuit.
63 Citations
54 Claims
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1. A telephone controller for controlling a telephone and coupling the telephone to a telephone line, the telephone including a memory, speaker means for providing an audible output, and microphone means for receiving an audible input, the telephone controller comprising:
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control means including a memory interface means for controlling storage in and retrieval of data from said memory, said memory interface means coupled to said memory by a memory bus, said memory interface means being coupled to an interface bus; a digital signal processor for converting electrical signals representative of an audible input to digital data and for converting digital data to electrical signals representative of an audible output, said digital signal processor being coupled to said interface bus for communicating said digital data with said memory interface means; telephone line interface means for coupling said digital signal processor to said telephone line for conveying said electrical signals representative of said audible input and audible output between said telephone line and said digital signal processor, for conveying said electrical signals representative of said audible output from said digital signal processor to said speaker means, and for conveying said electrical signals representative of said audible input from said microphone means to said digital signal processor; and user interface means for coupling said telephone line interface means to said speaker means and said microphone means, said control means, said digital signal processor, said telephone line interface means, said user interface means and said interface bus are integrated in a common integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An integrated telephone controller for coupling a telephone to a telephone network and providing a digital answering machine adapted for storing a compressed digital outgoing message and one or more compressed digital incoming messages, the telephone network communicating electrical signals including incoming electrical signals and outgoing electrical signals, said telephone having microphone means including a handset microphone for converting audible input to said outgoing electrical signals and speaker means including a handset earpiece for converting said incoming electrical signals to an audible output, said telephone including memory means having a multiple-bit port, said memory means for storing said compressed digital outgoing message and said one or more compressed digital incoming messages, the integrated telephone controller comprising:
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telephone network interface means for coupling the telephone controller to said telephone network, said telephone network interface means including telephone network receiver means coupled to said telephone network for receiving said incoming electrical signals from said telephone network and telephone network transmitter means coupled to said telephone network for transmitting said outgoing electrical signals to said telephone network; handset interface means including earpiece driver means coupled between said telephone network receiver means and said handset earpiece for conveying said incoming electrical signals to said handset earpiece, and handset microphone receiver means coupled between said handset microphone and said telephone network transmitter means for conveying said outgoing electrical signals to said telephone network transmitter means; a processor including first analog to digital converter means coupled to said telephone network receiver means for receiving said incoming electrical signals from said telephone network receiver means and converting said incoming electrical signals to digital incoming signals, a digital signal processor including compression means for compressing said digital incoming signals to produce compressed digital incoming signals and decompression means for decompressing compressed digital outgoing signals to produce digital outgoing signals, and first digital to analog converter means coupled between said digital signal processor and said telephone network transmitter means for converting said digital outgoing signals to said outgoing electrical signals and conveying said outgoing electrical signals to said telephone network transmitter means, said processor having a multiple-bit port for receiving said compressed digital incoming signals and for transmitting said compressed digital outgoing signals; control means including memory interface means having a multiple-bit port coupled to said processor multiple-bit port, said memory interface means for receiving said compressed digital incoming signals, combining said compressed digital incoming signals to form said one or more compressed digital incoming messages and storing said one or more compressed digital incoming messages in said memory means, and receiving said compressed digital outgoing message from said memory means, forming said compressed digital outgoing signals from said compressed digital outgoing message, and conveying said compressed digital outgoing signals to said processor; and bus means coupled to said processor multiple-bit port and said memory interface means multiple-bit port for coupling said control means and said processor; said telephone network interface means, said handset interface means, said processor, said control means and said bus means are integrated in a single integrated circuit. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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Specification