Wirefree intercom having low power system and process
First Claim
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1. A digital transmission and communication device, comprising:
- a digital transceiver;
a microcontroller interconnected to said transceiver, wherein said microcontroller includes a timer for measuring a time period during which said microcontroller turns said transceiver off.
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Abstract
A wireless intercom having a microcontroller that is programmed to place the intercom into a power saving sleep mode unless actively receiving or transmitting signals. The microcontroller of the intercom is interconnected to a transceiver for sending and receiving digital data packets, and to a code for converting the digital packets to analog sound signals, and vice versa. The intercom awakens periodically to determine whether any appropriate transmissions have been received. Unless the signals detected by the intercom include the appropriate identification, the intercom is placed back into sleep mode.
52 Citations
20 Claims
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1. A digital transmission and communication device, comprising:
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a digital transceiver;
a microcontroller interconnected to said transceiver, wherein said microcontroller includes a timer for measuring a time period during which said microcontroller turns said transceiver off. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of controlling a digital transmission and communication device including a microcontroller and a digital transceiver, comprising the steps of:
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checking to determine whether said transceiver is sending or receiving transmissions;
deactivating said transceiver if said transceiver is not sending or receiving transmissions;
measuring a first time period;
periodically activating said transceiver at a first rate during said first time period and then checking to determine whether said transceiver has received a transmission;
measuring a second time period if said first time period has expired without said transceiver receiving a transmission;
deactivating said microcontroller and said transceiver during said second time period; and
periodically activating said microcontroller and said transceiver at a second rate during said second time period and then checking to determine whether said transceiver has received a transmission. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A digital transmission and communication device, comprising:
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a digital transceiver;
a microcontroller interconnected to said transceiver;
a sleep timer for measuring a first time period during which said transceiver is deactivated, a second time period during which said microcontroller and said transceiver are deactivated, and a third time period during which said microcontroller and said transceiver are deactivated; and
a wake timer for periodically awakening said transceiver during said first, second, and third time periods. - View Dependent Claims (19, 20)
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Specification