1. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base having a lower wall that is deformed to form a plurality of egg-receiving recesses, said base and cover each having a periphery including a base rim, a pair of laterally-spaced sides, and a pair of longitudinally-spaced sides, at least one of said sides of said base and cover having latches that are latchable together to keep the container closed until unlatched, wherein:
said cover forms at least one chimney for ventilating the container, said chimney having an upper end that opens to the inside of the container and a chimney lower end that opens to the environment outside the container, and said chimney having an outside wall extending below said base rim and lying below said chimney upper end.
2. The egg container described in claim 1 including:
at least one tray that has a plurality of egg-receiving recesses and that lies between said lower wall and said cover.
3. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base and cover each having a pair of laterally spaced sides and a pair of longitudinally spaced sides, said base being deformed to form a plurality of egg-receiving recesses, wherein:
said egg container includes a tray that lies vertically between a majority of said base and a majority of said cover and that has a plurality of egg-receiving tray recesses, said tray having a plurality of tray supported locations spaced from all of said sides;
said base has a plurality of upwardly-extending base columns with upper ends that engage corresponding ones of said tray supported locations, and said tray has a plurality of primarily vertical first tray columns with upper ends of said columns engaging a flat top wall of said cover.
4. The container described in claim 3 wherein said container has a single tray and wherein:
said tray has a tray plane that lies at upper ends of said tray recesses;
said tray has a second plurality of tray columns that extend downwardly below said tray plane and have lower ends that abut upper ends of said base columns.
5. The container described in claim 4 wherein:
said first tray columns are longitudinally spaced from said second tray columns.
6. The container described in claim 3 wherein said container has a single tray, and wherein:
said tray has a lower surface that forms a plurality of entrapping downwardly-concave surfaces for lying close to the tops of eggs that rest in said egg-receiving recesses of said base to limit movement of said eggs when the container is tilted.
7. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base having a lower wall that is deformed to form a plurality of egg-receiving recesses, said base and cover each having a periphery, a pair of laterally-spaced sides, and a pair of longitudinally-spaced sides, at least one of said sides of said base and cover having latches that are latchable together to keep the container closed until unlatched, wherein:
said cover having a first side with at least one outward bulge forming at least one chimney for ventilating the container, said chimney having an upper end that opens to the inside of the container and a chimney open lower end that opens to the environment outside the container;
said outward bulge of said first side of said cover extends downward beyond the top of the base side.
8. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base having a lower wall that is deformed to form a plurality of egg-receiving recesses, said base and cover each having a periphery, a pair of laterally-spaced sides, and a pair of longitudinally-spaced sides, at least one of said sides of said base and cover having latches that are latchable together to keep the container closed until unlatched, wherein:
said cover has a first side that forms at least one chimney for ventilating the container, said chimney having an upper end that opens to the inside of the container and a chimney lower end that opens to the environment outside the container;
said base has a base rim that forms one of said latches, and the latch of said cover forms a shoulder that lies under and against said rim;
said chimney has a lower end that lies at a level below said base rim.
9. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base having a lower wall that is deformed to form a plurality of egg-receiving recesses, said base and cover each having a periphery, a pair of laterally-spaced sides, and a pair of longitudinally-spaced sides, at least one of said sides of said base and cover having latch parts that are latchable together to keep the container closed until unlatched, wherein:
said cover has a first side with a horizontal length and a plurality of chimneys spaced along said length, at least one of said chimneys having an upper end that opens to the inside of the container and a chimney lower end that opens to the environment outside the container for ventilating the container;
said first cover side has a plurality of said latch parts that lie between said chimneys.
10. An egg container that includes a base and a cover that are each constructed of a deformed sheet of plastic material, said base having a lower wall that is deformed to form a plurality of egg-receiving recesses, said base and cover each having a periphery, a pair of laterally-spaced sides, and a pair of longitudinally-spaced sides, at least one of said sides of said base and cover having latches that are latchable together to keep the container closed until unlatched, wherein:
said cover has a first side that forms at least one chimney for ventilating the container, said chimney having an upper end that opens to the inside of the container and a chimney lower end that opens to the environment outside the container;
said base has a rim portion that extends along one of the base sides and that forms base latch parts;
one of said laterally-spaced sides of said cover extends at a downward-outward incline and forms a plurality of longitudinally-spaced upwardly-facing cover latch shoulders (50) for lying under said base rim portion with said cover side forming an inclined leading surface below each shoulder;
said cover side forms longitudinally spaced outward projections that lie between said cover latch shoulders and that form chimney parts that include said chimney.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A voltage detection circuit, for detecting an input voltage generated by an input voltage generator, the voltage detection circuit comprising:
a reference resistor, comprising a first terminal and a second terminal, wherein the first terminal is utilized for receiving a first voltage;
a reference transistor, comprising a first terminal, a second terminal and a control terminal, wherein the first terminal of the reference transistor is coupled to the second terminal of the reference resistor, and the control terminal of the reference transistor is utilized for receiving a second voltage;
a comparator, comprising a first input terminal and a second input terminal, wherein the first input terminal is coupled to the second terminal of the reference transistor for receiving a converted voltage, the second input terminal is utilized for receiving the second voltage, and the comparator is utilized for generating an output voltage according to the converted voltage and the second voltage; and
a voltage dropping circuit series, comprising a plurality of voltage dropping circuits connected in a sequence, wherein a terminal of the voltage dropping circuit series is coupled to the input voltage generator, another terminal of the voltage dropping circuit series is coupled between the first input terminal of the comparator and the second terminal of the reference transistor, and the plurality of voltage dropping circuits are utilized for generating a plurality of voltage drops to convert the input voltage into the converted voltage;
wherein the output voltage of the comparator indicates whether the input voltage matches a specific multiple of a voltage difference between the first voltage and the second voltage, and the specific multiple relates to a number of the plurality of voltage dropping circuits.
2. The voltage detection circuit of claim 1, wherein each voltage dropping circuit of the voltage dropping circuit series comprises:
a voltage drop transistor, comprising a first terminal, a second terminal and a control terminal, wherein the control terminal of the voltage drop transistor is coupled to the second terminal of the voltage drop transistor; and
a voltage drop resistor, comprising a first terminal and a second terminal, wherein the second terminal of the voltage drop resistor is coupled to the first terminal of the voltage drop transistor;
wherein the second terminal of the voltage drop transistor and the first terminal of the voltage drop resistor generate a voltage drop of the plurality of voltage drops;
wherein the second terminal of the voltage drop transistor is further coupled to a first terminal of a voltage drop resistor of another voltage drop circuit, a first terminal of a voltage drop resistor of a voltage drop circuit at the beginning of the voltage dropping circuit series is coupled between the first input terminal of the comparator and the second terminal of the reference transistor, and a second terminal of a voltage drop transistor of a voltage drop circuit at the end of the voltage dropping circuit series is coupled to the input voltage generator.
3. The voltage detection circuit of claim 2, wherein the reference transistor and the voltage drop transistors are N-type metal oxide semiconductor (NMOS) transistors, the first terminal of the reference transistor is a source of the reference transistor, the second terminal of the reference transistor is a drain of the reference transistor, and the control terminal of the reference transistor is a gate of the reference transistor, the first terminal of each of the voltage drop transistors is a source of each of the voltage drop transistors, the second terminal of each of the voltage drop transistors is a drain of each of the voltage drop transistors, and the control terminal of each of the voltage drop transistors is a gate of each of the voltage drop transistors, the first voltage is a ground voltage, and the second voltage is a reference voltage.
4. The voltage detection circuit of claim 3, wherein when the input voltage rises to be greater than the specific multiple of the second voltage, the output voltage of the comparator changes a state, and the specific multiple is equal to the number of the plurality of voltage dropping circuits plus 1.
5. The voltage detection circuit of claim 3, wherein the output voltage is a power-on reset signal.
6. The voltage detection circuit of claim 2, wherein the reference transistor and the voltage drop transistors are P-type metal oxide semiconductor (PMOS) transistors, the first terminal of the reference transistor is a source of the reference transistor, the second terminal of the reference transistor is a drain of the reference transistor, and the control terminal of the reference transistor is a gate of the reference transistor, the first terminal of each of the voltage drop transistors is a source of each of the voltage drop transistors, the second terminal of each of the voltage drop transistors is a drain of each of the voltage drop transistors, and the control terminal of each of the voltage drop transistors is a gate of each of the voltage drop transistors, the first voltage is a reference voltage, and the second voltage is a ground voltage.
7. The voltage detection circuit of claim 6, wherein when the input voltage falls to be smaller than a specific negative voltage value of the specific multiple of the second voltage, the output voltage of the comparator changes a state, and the specific multiple is equal to the number of the plurality of voltage dropping circuits.
8. The voltage detection circuit of claim 6, wherein the output voltage is a negative voltage detection signal.
9. The voltage detection circuit of claim 1, wherein each voltage dropping circuit of the voltage dropping circuit series comprises:
a voltage drop transistor, comprising a first terminal, a second terminal and a control terminal, wherein the control terminal of the voltage drop transistor; and
a voltage drop resistor, comprising a first terminal and a second terminal, wherein the first terminal of the voltage drop resistor is coupled to the second terminal of the voltage drop transistor;
wherein the first terminal of the voltage drop transistor and the second terminal of the voltage drop resistor generate a voltage drop of the plurality of voltage drops;
wherein the second terminal of the voltage drop resistor is further coupled to a first terminal of a voltage drop transistor of another voltage drop circuit, a first terminal of a voltage drop transistor of a voltage drop circuit at the beginning of the voltage dropping circuit series is coupled between the first input terminal of the comparator and the second terminal of the reference transistor, and a second terminal of a voltage drop resistor of a voltage drop circuit at the end of the voltage dropping circuit series is coupled to the input voltage generator.
10. The voltage detection circuit of claim 9, wherein the reference transistor and the voltage drop transistors are N-type metal oxide semiconductor (NMOS) transistors, the first terminal of the reference transistor is a source of the reference transistor, the second terminal of the reference transistor is a drain of the reference transistor, and the control terminal of the reference transistor is a gate of the reference transistor, the first terminal of each of the voltage drop transistors is a source of each of the voltage drop transistors, the second terminal of each of the voltage drop transistors is a drain of each of the voltage drop transistors, and the control terminal of each of the voltage drop transistors is a gate of each of the voltage drop transistors, the first voltage is a ground voltage, and the second voltage is a reference voltage.
11. The voltage detection circuit of claim 10, wherein when the input voltage rises to be greater than the specific multiple of the second voltage, the output voltage of the comparator changes a state, and the specific multiple is equal to the number of the plurality of voltage dropping circuits plus 1.
12. The voltage detection circuit of claim 10, wherein the output voltage is a power-on reset signal.
13. The voltage detection circuit of claim 9, wherein the reference transistor and the voltage drop transistors are P-type metal oxide semiconductor (PMOS) transistors, the first terminal of the reference transistor is a source of the reference transistor, the second terminal of the reference transistor is a drain of the reference transistor, and the control terminal of the reference transistor is a gate of the reference transistor, the first terminal of each of the voltage drop transistors is a source of each of the voltage drop transistors, the second terminal of each of the voltage drop transistors is a drain of each of the voltage drop transistors, and the control terminal of each of the voltage drop transistors is a gate of each of the voltage drop transistors, the first voltage is a reference voltage, and the second voltage is a ground voltage.
14. The voltage detection circuit of claim 13, wherein when the input voltage falls to be smaller than a specific negative voltage value of the specific multiple of the second voltage, the output voltage of the comparator changes a state, and the specific multiple is equal to the number of the plurality of voltage dropping circuits.
15. The voltage detection circuit of claim 13, wherein the output voltage is a negative voltage detection signal.
16. The voltage detection circuit of claim 1, wherein each voltage dropping circuit of the plurality of voltage dropping circuit generates substantially the same voltage drop.