What is claimed is:
1. A recording media discard system, comprising:
administering means for administering identification information of a recording medium and contents information outputted to the recording medium in association with each other;
discarding means for discarding the recording medium; and
deleting means for deleting the contents information, which is administered in association with the identification information of the recording medium, in accordance with the discard of the recording medium by the discarding means.
2. A recording media discard system according to claim 1, further comprising choosing means for choosing whether or not the contents information, which is administered in association with the identification information of the discarded recording medium, is to be deleted in accordance with the discard of the recording medium by the discarding means,
wherein the deleting means deletes the contents information based on the choice made by the choosing means.
3. A recording media discard system according to claim 2, further comprising changing means for changing administration information, which is administered by the administering means, without deleting the contents information based on the choice made by the choosing means.
4. A recording media discard system according to claim 1, wherein the deleting means deletes the contents information based on the identification information of the recording medium.
5. A recording media discard system according to claim 1, further comprising recycling means for recycling identification information transmission means attached to the recording medium when the recording medium is discarded by the discarding means.
6. A recording media discard device, comprising:
discarding means for discarding a recording medium; and
deleting means which performs processing for deleting contents information, which is administered in association with identification information of the recording medium, in accordance with the discard of the recording medium by the discarding means.
7. A recording media discard device according to claim 6, further comprising choosing means for choosing whether or not the contents information, which is administered in association with the identification information of the discarded recording medium, is to be deleted in accordance with the discard of the recording medium by the discarding means,
wherein the deleting means performs processing for deleting the contents information based on the choice made by the choosing means.
8. A recording media discard device according to claim 7, further comprising changing means which performs processing for changing administration information, which is administered by the administering means, without deleting the contents information based on the choice made by the choosing means.
9. A recording media discard device according to claim 6, wherein the deleting means performs processing for deleting the contents information based on the identification information of the recording medium.
10. A recording media discard device according to claim 6, further comprising recycling means for recycling identification information transmission means attached to the recording medium when the recording medium is discarded by the discarding means.
11. A contents administration method, comprising:
a discarding step of discarding a recording medium; and
a deleting step of performing processing for deleting contents information, which is administered in association with identification information of the recording medium, in accordance with the discard of the recording medium by the discarding means.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. An electronic equipment with a residual battery quantity display function having loaded thereon a battery pack configured for outputting the residual battery capacity information, chargingdischarging current detection information and the battery cell voltage detection information, comprising:
communication means for receiving the above respective types of the information from the battery pack;
calculation means for calculating the current residual battery quantity based on the respective items of the information from said battery pack received by said communication means; and
display means for displaying the residual battery quantity from said calculation means.
2. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein said battery pack outputs the information on a correction coefficient used for calculating the residual battery quantity; and wherein said calculation means calculates the residual battery quantity as corrected by said correction coefficient.
3. The electronic equipment with a residual battery quantity display function as claimed in claim 2 wherein said correction coefficient information is the temperature information of the battery pack.
4. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein the residual battery capacity information of said battery pack is the information on the residual quantity of the integrated discharge current and the residual battery quantity as calculated by the calculation means is the residual battery service life.
5. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein said display means has a liquid crystal panel andor a viewfinder.
6. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein said display means performs OSD display.
7. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein said display means displays a numerical figure specifying the residual battery service life as said residual battery quantity.
8. The electronic equipment with a residual battery quantity display function as claimed in claim 1 wherein said display means displays a minute-based numerical figure specifying the residual battery service life as said residual battery quantity.
9. A method for displaying the residual battery quantity comprising:
transmitting the information on the residual battery capacity of a battery cell enclosed in a battery pack, chargingdischarging current detection information an the battery cell voltage detection information from the battery pack to an electronic equipment employing the battery;
finding, by calculations on the side of the electronic equipment, the current residual battery based on the residual battery capacity information, chargingdischarging current detection information and the battery cell voltage detection information, thus transmitted; and
displaying the residual battery quantity, thus calculated, on display means.
10. The method for displaying the residual battery quantity as claimed in claim 9 wherein said battery pack outputs the information on correction coefficients used for calculating the residual battery quantity from the battery pack; and wherein said electronic equipment calculates the residual battery quantity as corrected by said correction coefficients.
11. The method for displaying the residual battery quantity as claimed in claim 10 wherein said correction coefficient information is the temperature information of the battery pack.
12. The method for displaying the residual battery quantity as claimed in claim 9 wherein the residual battery quantity information of said battery pack is the information on the residual quantity of the integrated discharge current and the residual battery quantity as calculated by the calculation means is the residual battery service life usable for the electronic equipment.
13. The method for displaying the residual battery quantity as claimed in claim 9 wherein said display is made on a liquid crystal panel or on a viewfinder.
14. The method for displaying the residual battery quantity as claimed in claim 9 wherein said display is made as OSD display.
15. The method for displaying the residual battery quantity as claimed in claim 9 wherein a numerical figure specifying the residual battery service life as said residual battery quantity is displayed as said residual battery quantity.
16. The method for displaying the residual battery quantity as claimed in claim 9 wherein a minute-based numerical figure specifying the residual battery service life as said residual battery quantity is displayed as said residual battery quantity.
17. A VCR with a built-in camera having loaded thereon a battery pack configured for outputting the residual battery capacity information, chargingdischarging current detection information and the battery cell voltage detection information, comprising:
communication means for receiving the above respective types of the information from the battery pack;
calculation means for calculating the current residual battery quantity based on the respective items of the information from said battery pack received by said communication means; and
display means for displaying the residual battery quantity from said calculation means.
18. The VCR with a built-in camera as claimed in claim 17 wherein the residual battery quantity information of said battery pack is the information on the residual quantity of the integrated discharge current and the residual battery quantity as calculated by the calculation means is the residual battery service life.
19. The VCR with a built-in camera as claimed in claim 17 wherein the residual battery quantity as calculated by said calculating means is the residual recording time of the VCR with the built-in camera
20. The VCR with a built-in camera as claimed in claim 17 wherein the residual battery quantity as calculated by said calculating means is the residual playback time of the VCR with the built-in camera.
21. The VCR with a built-in camera as claimed in claim 17 wherein said display means has a liquid crystal panel andor a viewfinder.