BATTERY REMAINING CAPACITY INFORMING DEVICE OF SMALL AUDIO EQUIPMENT OR THE LIKE

PURPOSE:To confirm the remaining battery capacity of a small audio equipment such as a head phone stereo, etc., by hearing sound. CONSTITUTION:When an operation mode is selected by the operation of an operation key 3 such as a remote controller, etc., a microcomputer 4 makes a voice synthesizing cir...

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Bibliographische Detailangaben
Hauptverfasser:	IWAMURO YOSHIHIRO, OGOSHI YUKIKO, SATO KIYONARI
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS BASIC ELECTRIC ELEMENTS ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES ORDER TELEGRAPHS PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To confirm the remaining battery capacity of a small audio equipment such as a head phone stereo, etc., by hearing sound. CONSTITUTION:When an operation mode is selected by the operation of an operation key 3 such as a remote controller, etc., a microcomputer 4 makes a voice synthesizing circuit 5 voice the name of the selected operation mode. At this time, a voltage detection circuit 2 for detecting the distinguishing situation of the battery sends one of the voltage detection signals Ha, Ma and La corresponding to the detection output to the microcomputer. On correspondence to the voltage detection signal, a frequency conversion circuit 6 varies the interval of the voiced operation mode name to three steps. This allows an operator to confirm the remaining battery capacity by hearing sound without looking at a remaining battery capacity indicator provided in a main body.