| 5012425 |
EPM having an improvement in non-volatile storage of accounting data |
| Apr-30-1991 |
An electronic postage meter has two non-volatile memory devices, each of a different technology, CMOS battery-backed RAM and E.sup.2 PROM. The E.sup.2 PROM technology allows a limited number of rewrites.... |
| 4998203 |
Postage meter with a non-volatile memory security circuit |
| Mar-5-1991 |
An electronic postage meter with a non-volatile memory security circuit apparatus is disclosed. The security circuit comprises means for limiting the amount of time the memories may be continuously enabled,... |
| 4916623 |
Electronic postage meter having redundant memory |
| Apr-10-1990 |
An electronic postal meter has an accounting unit with redundant nonvolatile random access memories controlled by a microprocessor system. The redundant random access memories have separate groups of address... |
| 4845632 |
Electonic postage meter system having arrangement for rapid storage of critical postage accounting data in plural nonvolatile memories |
| Jul-4-1989 |
A system for the nonvolatile storage of data, such as a postage meter system, employs a microcomputer coupled to two nonvolatile memories. The first nonvolatile memory requires data be applied to the nonvolatile... |
| 4829469 |
Security system for use with electronic postage meter to prevent lock erasure of data |
| May-9-1989 |
An electronically operated postage meter includes a non-volatile memory for the permanent storage of security and financial data utilized in the operation of the meter. In the operation of the memory,... |
| 4817004 |
Electronic postage meter operating system |
| Mar-28-1989 |
A postage meter system includes a nonvolatile memory and program store coupled to a microcomputer. Postage meter transactional accounting data records are stored in the nonvolatile memory. Each transactional... |
| 4817002 |
Electronic postage meter non-volatile memory systems having human visually readable and machine stored data |
| Mar-28-1989 |
A computing system having a non-volatile memory with locations with store data and are physically accessible such that the locations can be human visually readable to determine the data values stored therein.... |
| 4807141 |
Postage meter with microprocessor controlled reset inhibiting means |
| Feb-21-1989 |
In a postage meter which includes a computer, a power supply for energizing the computer, a non-volatile memory for storing postage meter operating data, and wherein the computer includes a microprocessor... |
| 4805109 |
Nonvolatile memory protection arrangement for electronic postage meter system having plural nonvolatile memories |
| Feb-14-1989 |
A system for the nonvolatile storage of data, such as a postage meter system, includes a microcomputer coupled to an MNOS type nonvolatile memory and also coupled to an EEPROM type nonvolatile memory,... |
| 4802117 |
Method of preserving data storage in a postal meter |
| Jan-31-1989 |
A nonvolatile memory bank of an electronic memory and retrieval system is partitioned into at least three memory blocks, each block capable of storing an accounting program. The accounting program data... |
| 4747057 |
Electronic postage meter having power up and power down protection circuitry |
| May-24-1988 |
A method and apparatus for providing enhanced security to the non-volatile memory of an electronic postage meter during power up and power down of the meter is disclosed. The apparatus comprises means... |
| 4731749 |
Electronic postage meter having multiple non-volatile memories for storing different historical information reflecting postage transactions |
| Mar-15-1988 |
An electronic postage meter includes two non-volatile memories. One of the non-volatile memories is utilized for storing in historical sequence in respective registers the transaction information for each... |
| 4710882 |
Electronic postage meter having a nonvolatile memory selection means |
| Dec-1-1987 |
An electronic postage meter having an improved memory selection circuit is disclosed. A custom memory map decoder circuit with resolution down to a single byte location is used to provide selection enabling... |
| 4706215 |
Data protection system for electronic postage meters having multiple non-volatile multiple memories |
| Nov-10-1987 |
A method and associated apparatus is provided for protecting the accounting data stored in an electronic postage meter having multiple non-volatile memories for the storage of accounting data, including... |
| 4701856 |
Reset delay circuit for an electronic postage meter |
| Oct-20-1987 |
An electronic postage meter with a circuit to provide for a delay period before operation of a postage meter is disclosed. The circuit provides a fixed delay which is triggered when three input signals... |
| 4628457 |
Postal rate memory module with integral battery power |
| Dec-9-1986 |
A postal rate memory module is disclosed. The module includes a memory which stores current postal data and an integral battery. The module may be used in a postal scale which includes a scale for determining... |
| 4627016 |
Memory address location system for an electronic postage meter having multiple non-volatile memories |
| Dec-2-1986 |
A method and associated apparatus is provided for using data stored in one non-volatile memory to locate the next memory address in which to write data in another non-volatile memory of an electronic postage... |
| 4611282 |
Postage meter using a flag to indicate interuption of accounting register updating due to power failure or microprocessor failure |
| Sep-9-1986 |
In an electronic postage meter having a program for updating accounting memory in a printing cycle, flags are set in the accounting memory at each of a plurality of steps during the updating of the accounting... |
| 4584647 |
Electronic postage meter with a ring counter |
| Apr-22-1986 |
A method and apparatus for reducing the accounting loss in the case of catastrophic failure of a microprocessor in an electronic postage meter is disclosed. In accordance with the invention a counter,... |
| 4578774 |
System for limiting access to non-volatile memory in electronic postage meters |
| Mar-25-1986 |
A method and associated apparatus for limiting the erasing and writing of data in the non-volatile memory (NVM) of an electronic postage meter operated under microcomputer control to predetermined periods... |
| 4547853 |
Electronic postage meter reset circuit |
| Oct-15-1985 |
A reset circuit for an electronic postage meter controls the operation of the reset line of the meter's computing system. The reset circuit operates in conjunction with a non-volatile memory protection... |
| 4534018 |
Non-volatile memory protection circuit with microprocessor interaction |
| Aug-6-1985 |
A method and associated apparatus for controlling the erasure and writing of data in non-volatile memory during the power up, power down and normal operating cycles of an electronic postage meter is disclosed.... |
| 4507744 |
Accessible housing for electronic system |
| Mar-26-1985 |
A secured housing for an electronic device having an electronic memory mounted therewithin is provided which has as access aperture which provides tamper proof security and electro-magnetic interference... |
| 4445198 |
Memory protection circuit for an electronic postage meter |
| Apr-24-1984 |
An electronic postage meter includes a memory protection circuit. The memory protection circuit prevents the inadvertent writing of spurious data into memory locations in the nonvolatile memory during... |
| 4442501 |
Electronic postage meter with weak memory indication |
| Apr-10-1984 |
An electronic postage meter having an accounting section including a nonvolatile memory (NVM), computer means for reading the condition of the nonvolatile memory during a power-up cycle of the meter, and... |
| 4424573 |
System for entering a postage meter serial number into a nonvolatile memory from an external channel after assembly of the meter |
| Jan-3-1984 |
A method for entering the serial number into the nonvolatile memory of an electronic postage meter upon completion of assembly of the meter including the steps of programming a given chip number into a... |
| 4420819 |
System for processing and storing transaction data and for transmitting the transaction data to a remote host computer |
| Dec-13-1983 |
A data processing and storage system includes semi-permanent disk storage for storing transaction data relating to a plurality of parcels. The transaction data includes character information data which... |
| 4336529 |
Postage meter having shielded keyboard to protect against electromagnetic radiation |
| Jun-22-1982 |
A shielded switch structure is disclosed. The switch structure is adapted for use in a system which is susceptible to being affected by electromagnetic radiation. The structure includes a conductive flexible... |
| 4335434 |
Electronically controlled franking machine |
| Jun-15-1982 |
Electronic control for franking machines such as postage meters and stamping machines having a printing device, a postage value printing selection device, a total postal charge storage register and a settable... |
| 4328564 |
Thermally secure postage meter system |
| May-4-1982 |
A processor controlled postage meter includes memories for storage of meter account balance data. Thermal security of the balance data is maintained through the employment of magnetic core memories constructed... |
| 4306299 |
Postage meter having means transferring data from a working memory to a non-volatile memory under low power conditions |
| Dec-15-1981 |
An electronic postage has a working memory and a non-volatile memory. A voltage sensing circuit senses low power conditions, and, in response thereto, controls a data transfer circuit to transfer data... |
| 4285050 |
Electronic postage meter operating voltage variation sensing system |
| Aug-18-1981 |
An electronic postage meter includes an operating voltage variation sensing system. Protection is provided for preserving postage accounting information stored in the meter if the operating power for the... |
| 4271481 |
Micro computerized electronic postage meter system |
| Jun-2-1981 |
An advanced electronic postage meter system is described, which is built around a micro computer set. The micro computer set is of LSI design, and comprises a single chip central processor unit (CPU) which... |
| 4093999 |
Electronic franking machines |
| Jun-6-1978 |
An electronic franking machine, for example a postal franking machine, has a digital electronic input register, for storing a selected franking value fed in for use in the next franking operation of the... |
