GB2289826A - Method for accessing subscriber databases - Google Patents
Method for accessing subscriber databases Download PDFInfo
- Publication number
- GB2289826A GB2289826A GB9509698A GB9509698A GB2289826A GB 2289826 A GB2289826 A GB 2289826A GB 9509698 A GB9509698 A GB 9509698A GB 9509698 A GB9509698 A GB 9509698A GB 2289826 A GB2289826 A GB 2289826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- subscriber
- communication units
- ids
- communication
- names
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/493—Interactive information services, e.g. directory enquiries ; Arrangements therefor, e.g. interactive voice response [IVR] systems or voice portals
- H04M3/4931—Directory assistance systems
Abstract
A wanted subscriber name entered at a substation 115, 120 is transmitted over a PSTN to a data base 103 where a search is conducted to find the corresponding wanted subscriber telephone number which is then transmitted back to the enquiring substation. <IMAGE>
Description
METHOD FOR ACCESSING A SUBSCRIBER DATABASE
Field of the Invention
This invention relates in generai to electronic subscriber databases, and in particular to electronic subscriber databases in communication systems.
Background of the Invention
Telephone subscriber databases are known in the art. These databases provide subscriber information that include first name, surname, address, and telephone number, and are used primarily for determining the telephone number of a subscriber when the first name and surname of a subscriber are known. Such databases are available in printed form and are commonly referred to as subscriber telephone directories. More recently, these databases have become available electronically.
Electronic subscriber databases may be provided by on-line computer service companies. A user of such services may use a computer equipped with a modem to access the database via the public switched telephone network (PSTN). Alternatively, electronic subscriber databases are also available in electronic storage media, such as compact disk read only memory (CD-ROM). Using a computer equipped with suitable hardware and software, subscriber information in the CD-ROM may be accessed.
With the growing use of portable communication equipment and the growing number of subscribers, use of the printed telephone directory by subscribers is not practical due to the sheer bulk of the directory and the time required to locate a particular subscriber listed in the directory.
Electronic databases, on the other hand, are quick and easy to use.
However, a disadvantage of electronic databases is that every subscriber will require a computer to access such databases, making this method impractical and uneconomical.
Hence, a need exists for a quick and easy way for subscribers to economically access electronic subscriber databases.
Summary of the Invention
In carrying out the objects of the present invention in one form, there is provided a method for a subscriber unit in a communication system to access an electronic subscriber database of the communication system to determine subscriber information of a subscriber in the database, by communicating between the subscriber unit and a communication controller of the communication system, wherein the communication controller includes the subscriber database.
Brief Description of the Drawing
FIG. 1 illustrates a block diagram of the preferred embodiment of the present invention.
FIG. 2 illustrates a table of information in a database of the preferred embodiment of the present invention.
FIG. 3 illustrates a flow chart detailing the operation in accordance with the preferred embodiment of the present invention.
FIG. 4 illustrates a flow chart detailing the operation in accordance with the preferred embodiment of the present invention.
Detailed Description of the Invention
FIG. 1 illustrates a communication system 100 that includes a communication controller 105 which controls access to a database 103, a typical public switched telephone network (PSTN) 110, and conventional communication units 115 and 120 that may be wired or wireless. The communication controller 105 may be an integral part of the PSTN 110, or a computer coupled to the PSTN 110. The database 103 may also be an integral part of the PSTN 110, or a computer with information storage capability, coupled to the PSTN 110. The subscriber communication unit 115 and 120 may include an alphanumeric user interface such as an alphanumeric keypad and an alphanumeric display, or, a vocal user interface. With the alphanumeric interface, the keypad and display may be similar to that used in electronic pocket organisers.For example, the keypad may comprise conductive rubber and the display may utilise a liquid crystal display.
Information is communicated between the subscriber communication unit 115 and 120, and the communication controller 105, on a communication channel 125 and 130. The communication channel 125 and 130 include radio communication channels 130, such as that employed in known cellular telephone systems, or on land lines 125 such as that commonly used for fixed telephone subscriber units.
In accordance with the present invention, information communicated from the subscriber communication unit 115 and 120, via the PSTN 110, to the communication controller 105 include database access request 135 and subscriber name 145. And, information communicated to the subscriber communication unit 115 and 120 from the communication controller 105, via the PSTN 110, include database access grant 140 and subscriber ID 150. Advantageously, communicating this information enables subscriber communication units to conveniently access a subscriber database.
FIG. 2 illustrates information that may be included in the database 103, depicted in tabular format. In the preferred embodiment the database 103 comprises a subscriber directory which includes a plurality of subscriber names and a corresponding plurality of subscriber IDs. Each pair comprising a subscriber name and a subscriber ID in the subscriber directory is affiliated with a subscriber communication unit in the communication system 100. Hence, each subscriber name on the left of the table is affiliated to a subscriber ID on the right of the table. For example, the subscriber ID affiliated with John Doe is 123-4321 and the subscriber ID affiliated with Hil Hack is 241-6321.
To determine a subscriber ID affiliated with a particular subscriber name, the subscriber communication unit 115 and 120 can access the database 103 via the communication controller 105 and the PSTN 110. A subscriber having the subscriber communication unit 115 or 120 inputs a user generated subscriber name into the subscriber communication unit 115 or 120. With reference now to FIG. 3, access to the database 103 is accomplished by transmitting 305 a database access request 135, or a subscriber directory access request, by the subscriber communication unit 115 or 120 to the communication controller 105. In the preferred embodiment, database access request 135 includes a subscriber ID affiliated with the subscriber communication unit 115 and 120. Upon receiving the database access request 135, the communication controller 105 determines 310 whether the database 103 is accessible.Criteria for accessibility to the database may include determining whether the subscriber ID is included in the database. Additionally, other accessibility criteria may include determining whether the database is operational, or, whether the subscriber communication unit is allowed access may depend on whether a subscriber account is current.
When the database 103 is not accessible, the communication controller 105 transmits 315 a database not accessible indicator to the subscriber communication unit 115 or 120, and consequently the database access routine is terminated. In the preferred embodiment, the database not accessible indicator causes the subscriber communication unit 115 or 120 to provide an audio and/or visual indicator to a subscriber using the subscriber communication unit 115 or 120. However, when the database 103 is accessible, the communication controller 105 transmits 320 a database access grant 140 to the subscriber communication unit 115 or 120. A subscriber name 145 representing the inputted user generated subscriber name is then transmitted 325 by the subscriber communication unit 115 or 120 to the communication controller 105.Upon receiving the subscriber name 145, a determination 330 is made by the controller 105 whether the received subscriber name 145 is in the database 103. When the received subscriber name 145 is not in the database 103, the communication controller 105 transmits 335 a subscriber name not listed indicator to the subscriber communication unit 115 or 120. In the preferred embodiment, the subscriber name not listed indicator causes the subscriber communication unit 115 or 120 to provide an audio and/or visual indicator to a subscriber using the subscriber communication unit 115 or 120. When the received subscriber name 145 is in the database 103, the communication controller 105 determines 340 the subscriber ID 150 affiliated with the received subscriber name 145 from the database 103. Upon determining the subscriber ID 150, the communication controller 105 transmits 345 the subscriber ID 150 to the subscriber communication unit 115 or 120, which displays the received subscriber ID 150 in a user readable form when a display is provided. A user of the subscriber communication unit 115 or 120 may read the user readable form of the subscriber ID 150 from the display and subsequently, call a subscriber having a subscriber communication unit affiliated with the received subscriber ID 150 by entering the user readable form of the received subscriber ID 150 into the subscriber communication unit 115 or 120 manually.Alternatively, a provision may be included in the subscriber communication unit 115 or 120 that allows the subscriber communication unit 115 or 120 to call the subscriber communication unit affiliated with the received subscriber ID 150 automatically when the user readable form of the received subscriber ID 150 is displayed on the display of the subscriber communication unit 115 or 120, subsequently selected by the user of the subscriber communication unit 115 or 120.
Hence, in accordance with the present invention, the technologies of a typical PSTN, conventional subscriber communication units, and electronic databases, may be combined to provide conventional subscriber communication units with the ability to access a subscriber database and determine a subscriber ID directly from the subscriber communication unit.
Referring now to FIG. 4, when a first subscriber having a first subscriber communication unit 115 or 120 wishes to learn a subscriber ID affiliated with a second subscriber communication unit 115 or 120 used by a second subscriber, the first subscriber inputs 402 a user generated subscriber name that is substantially similar to a second subscriber name affiliated with the second subscriber communication unit 115 or 120 into the first subscriber communication unit 115 or 120. In the preferred embodiment, the first subscriber provides an alphanumeric input to the first subscriber communication unit 115 or 120 via a keypad. It should be understood that the user generated input includes input of at least a part of a subscriber name into the first subscriber communication unit 115 or 120.
It should further be understood that, when voice recognition capability is supported in the first subscriber communication unit 115 or 120, the user generated input comprises a user spelling out the second subscriber name orally into the first subscriber communication unit 115 or 120. In response to the user generated input, the first subscriber communication unit 115 or 120 transmits 405 a database access request 135 to the communication controller 105. In the preferred embodiment, the database access request 135 includes a first subscriber ID affiliated with the first subscriber communication unit 115 or 120 which allows the communication controller 105 to determine whether the first subscriber communication unit 115 or 120 is allowed access to the database 103.Criteria for accessibility to the database 103 may include determining whether the first subscriber communication unit 155 or 120 is included in the database 103.
Additionally, other accessibility criteria may include determining whether the database 103 is operational, or, whether the first subscriber communication unit 115 or 120 is allowed access may depend on whether the first subscriber account is current. When the first subscriber communication unit 115 or 120 is allowed access to the database 103, the first subscriber communication unit 115 or 120 receives 410 the database access grant 140 from the communication controller 105. However, when the first subscriber communication unit 115 or 120 is not allowed access to the database 103, the first subscriber communication unit 115 or 120 receives 415 a database not accessible indicator from the communication controller 105.In response to receiving the database not accessible indicator, the first subscriber communication unit 115 or 120 provides an indication to the first subscriber that access to the database 103 has been denied. In the preferred embodiment, the indication to the subscriber includes a predetermined displayed message and a predetermined audio indicator. In response to receiving the database access grant 140, the first subscriber communication unit 115 or 120 transmits 425 the subscriber name 145 derived from the user generated name, to the communication controller 105. The first subscriber communication unit 115 or 120 derives the subscriber name 145 from the inputted user generated subscriber name by translating the user generated input into a form suitable for transmission.In the preferred embodiment, the alphanumeric user generated input is translated into an ASCII subscriber name by the first subscriber communication unit 115 or 120 prior to transmission to the communication controller 105. In response to transmitting the subscriber name 145, the first subscriber communication unit receives the subscriber
ID 150 from the communication controller 105. And, in response to receiving the subscriber ID 150, the first subscriber communication unit presents a user readable subscriber ID to the first subscriber, where the user readable subscriber ID represents the subscriber ID 150. In the preferred embodiment, the received subscriber ID 150 is in ASCII format and the user readable form of the subscriber ID 150 is alphanumeric.
Thus, in accordance with the present invention, a subscriber communication unit that is used to communicate with other subscriber communication units, can also be used to determine a subscriber ID of any subscriber in a communication system.
Current methods for subscribers to determine a subscriber ID including using printed subscriber directories and computer dial up services, require additional material or equipment, such as a recent copy of the printed subscriber directory, or a computer equipped with an appropriate software package. Mobile subscribers equipped with mobile or portable communication units, in particular, would find it exceedingly inconvenient to transport voluminous printed subscriber directories or access a dial up service whenever a subscriber ID had to be determined.
In accordance with the present invention, no additional material or equipment is required to access a subscriber database and determine a subscriber ID. In addition, the information provided from the database is current unlike that in printed directories which may change after publication.
Thus, it can be seen that the present invention provides a method for subscribers on a communication system to access an electronic subscriber database quickly, easily and economically.
What is claimed is:
Claims (18)
1. A method for accessing a database in a communication controller wherein the database includes a plurality of subscriber names and a corresponding plurality of subscriber IDs affiliated with each of a plurality of subscriber communication units, the method comprising the steps of: a) when a first subscriber having one of the plurality of subscriber communication units wishes to communicate with a second subscriber having another one of the plurality of subscriber communication units, the first subscriber causing the one of the plurality of subscriber communication units to transmit at least a part of a subscriber name of the plurality of subscriber names affiliated with the another subscriber communication unit of the plurality of subscriber communication units, to the communication controller; and b) in response to transmitting the at least a part of the subscriber name of the plurality of subscriber names, the one of the plurality of subscriber communication units receiving a subscriber ID of the plurality of subscriber
IDs affiliated with the another one of the plurality of communication units, from the communication controller, thereby allowing the one of the plurality of subscriber communication units to provide the first subscriber with the subscriber ID of the plurality of subscriber IDs affiliated with the another one of the plurality of communication units.
2. The method of claim 1, wherein step (b) comprises the step of receiving from the communications controller, a subscriber name not listed indicator when the at least a part of the subscriber name of the plurality of subscriber names is not in the database.
3. The method of claim 1, wherein step (b) comprises the step of receiving the subscriber ID of the plurality of subscriber IDs, from the communication controller, when the subscriber ID of the plurality of subscriber IDs affiliated with the another one of a plurality of communications units, is successfully determined from the database.
4. A method for accessing a subscriber directory in a communication controller, wherein the subscriber directory includes a plurality of subscriber names and a corresponding plurality of subscriber IDs affiliated with each of a plurality of subscriber communication units, the method comprising the steps of: a) when a first subscriber having a first of the plurality of subscriber communication units wishes to communicate with a second subscriber having a second of the plurality of subscriber communication units, the first subscriber causing the first of the plurality of subscriber communication units to transmit a subscriber directory access request to the communication controller; b) in response to transmitting the subscriber directory access request, the first of the plurality subscriber communication units receiving from the communication controller, a subscriber directory access grant; c) in response to receiving the subscriber directory access grant, the first of the plurality of subscriber communication units transmitting a second of the plurality of subscriber names affiliated with the second of the plurality of subscriber communication units to the communication controller; and d) in response to transmitting the second of the plurality of subscriber names, receiving a second of the plurality of subscriber IDs affiliated with the second of the plurality of subscriber communication units from the communication controller, thereby allowing the first subscriber to call the second subscriber using the second of the plurality of subscriber IDs.
5. The method of claim 4, wherein step (b) comprises the step of the first of the plurality of subscriber communication units receiving the subscriber directory access grant when the first of the plurality of subscriber communication units is allowed access to the subscriber directory.
6. The method of claim 4, wherein step (b) comprises the step of the first of the plurality of subscriber communication units receiving a subscriber directory not accessible indicator when the first of the plurality of subscriber communication units is not allowed access to the subscriber directory.
7. The method of claim 4, wherein step (d) comprises the step of the first of the plurality of subscriber communication units receiving a subscriber name not listed indicator from the communications controller when the second of the plurality of subscriber names is not in the subscriber directory.
8. The method of claim 4, wherein step (a) comprises the step of the first of the plurality of subscriber communication units transmitting a first subscriber ID of the plurality of subscriber IDs, affiliated with the first of the plurality of subscriber communication units, to the communication controller.
9. The method of claim 4, wherein step (d) comprises the step of the first of the plurality of subscriber communication units receiving the second of the plurality of subscriber IDs from the communication controller, when the second of the plurality of subscriber IDs affiliated with the second of the plurality of subscriber communication units, is successfully determined from the database.
10. A method for accessing a subscriber directory in a communication controller, wherein the subscriber directory includes a plurality of subscriber names and a corresponding plurality of subscriber IDs affiliated with each of a plurality of subscriber communication units, the method comprising the steps of: a) when a first subscriber having one of the plurality of subscriber communication units wishes to learn one of the plurality of subscriber IDs affiliated with another one of the plurality of subscriber communication units used by a second subscriber, the first subscriber causing the one of the plurality of subscriber communication units to transmit a subscriber directory access request to the communication controller; b) in response to transmitting the subscriber directory access request, the one of the plurality of subscriber communication units receiving from the communication controller a subscriber directory access grant; c) in response to receiving the subscriber directory access grant, the one of the plurality of subscriber communication units transmitting a user generated subscriber name to the communication controller, wherein the user generated subscriber name is substantially similar to one of the plurality of subscriber names affiliated with the another one of the plurality of subscriber communication units; and d) in response to transmitting the user generated subscriber name, the one of the plurality of subscriber communication units receiving a subscriber ID of the plurality of subscriber IDs affiliated with the another one of the plurality of subscriber communication units from the communication controller, and presenting a user readable subscriber ID representing the received subscriber ID of the plurality of subscriber IDs, thereby providing the first subscriber with the subscriber ID of the plurality of subscriber IDs affiliated with the another one of the plurality of subscriber communication units.
11. The method of claim 10, wherein step (b) comprises the step of the one of the plurality of subscriber communication units receiving the subscriber directory access grant when the subscriber directory is accessible.
12. The method of claim 10, wherein step (b) comprises the step of the one of the plurality of subscriber communication units receiving a subscriber directory not available indicator when the subscriber directory is not accessible.
13. The method of claim 10, wherein step (d) comprises the step of the one of the plurality of subscriber communication units receiving a subscriber name not listed indicator from the communications controller when the user generated subscriber name is not substantially similar to at least one of the plurality of subscriber names in the subscriber directory.
14. The method of claim 10, wherein step (a) comprises the step of the one of the plurality of subscriber communication units transmitting a subscriber ID of the plurality of subscriber IDs affiliated with the one of the plurality of subscriber communication units to the communication controller.
15. A method for accessing a subscriber directory in a communication controller, wherein the subscriber directory includes a plurality of subscriber names and a corresponding plurality of subscriber IDs, and wherein each pair of one of the plurality of subscriber names and the corresponding one of the plurality of subscriber IDs is affiliated with each of a plurality of subscriber communication units, the method comprising the steps of:: a) a first subscriber having a first of the plurality of subscriber communication units affiliated with a first of the plurality of subscriber names and a first of the corresponding plurality of subscriber lDs and a second subscriber having a second of the plurality of subscriber communication units affiliated with a second of the plurality of subscriber names and a second of the corresponding plurality of subscriber IDs, the first subscriber inputting a user generated subscriber name into the first of the plurality of subscriber communication units when the first subscriber wishes to learn the second of the corresponding plurality of subscriber IDs, wherein the user generated subscriber name represents the second of the plurality of subscriber names; b) in response to the input, the first of the plurality of subscriber communication units transmitting a subscriber directory access request to the communication controller; c) in response to transmitting the subscriber directory access request, the first of the plurality of subscriber communication units receiving a subscriber directory access grant from the communication controller; d) in response to receiving the subscriber directory access grant, the first of the plurality of subscriber communication units transmitting the second of the plurality of subscriber names to the communication controller; e) in response to transmitting the second of the plurality of subscriber names, the first of the plurality of subscriber communication units receiving the second of the corresponding plurality of subscriber IDs from the communication controller; and f) in response to receiving the second of the corresponding plurality of subscriber IDs, the first of the plurality of subscriber communication units presenting a user readable subscriber ID to the first subscriber, wherein the user readable subscriber ID represents the second of the corresponding plurality of subscriber IDs.
16. The method of claim 15, wherein step (c) comprises the step of:
the first of the plurality of subscriber communication units receiving a subscriber name not listed message when the user generated subscriber name does not represent at least one of the plurality of subscriber names in the subscriber directory.
17. A method for accessing a subscriber directory in a communication controller, wherein the subscriber directory includes a plurality of subscriber names and a corresponding plurality of subscriber IDs, and wherein each pair of one of the plurality of subscriber names and the corresponding one of the plurality of subscriber IDs, is affiliated with each of a plurality of subscriber communication units, the method comprising the steps of: a) a subscriber having one of the plurality of subscriber communication units affiliated with one of the plurality of subscriber names and one of the corresponding plurality of subscriber IDs, the subscriber inputting a user generated subscriber name into the one of the plurality of subscriber communication units, wherein the user generated subscriber name represents the one of the plurality of subscriber names; b) in response to the input, the one of the plurality of subscriber communication units transmitting a subscriber directory access request to the communication controller; c) in response to transmitting the subscriber directory access request, the one of the plurality of subscriber communication units receiving a subscriber directory access grant from the communication controller; d) in response to receiving the subscriber directory access grant, the one of the plurality of subscriber communication units transmitting the one of the plurality of subscriber names to the communication controller; e) in response to transmitting the one of the plurality of subscriber names, the one of the plurality of subscriber communication units receiving the one of the corresponding plurality of subscriber IDs from the communication controller; and f) in response to receiving the one of the corresponding plurality of subscriber IDs, the one of the plurality of subscriber communication units presenting a user readable subscriber ID to the subscriber, wherein the user readable subscriber ID represents the one of the corresponding plurality of subscriber IDs.
18. The method of claim 17 wherein step (a) comprises the step of: a1) a subscriber having one of the plurality of subscriber communication units affiliated with one of the plurality of subscriber names and one of the corresponding plurality of subscriber IDs, the subscriber inputting a user generated subscriber name into the one of the plurality of subscriber communication units, wherein the user generated subscriber name represents at least a part of at least one of the plurality of subscriber names, and wherein step (b) comprises the step of: b1) in response to the input, the one of the plurality of subscriber communication units transmitting a subscriber directory access request to the communication controller, and wherein step (c) comprises the step of: c1) in response to transmitting the subscriber directory access request, the one of the plurality of subscriber communication units receiving a subscriber directory access grant from the communication controller, and wherein step (d) comprises the step of: dl) in response to receiving the subscriber directory access grant, the one of the plurality of subscriber communication units transmitting the at least a part of the at least one of the plurality of subscriber names to the communication controller, and wherein step (e) comprises the step of: el) in response to transmitting the at least a part of at least one of the plurality of subscriber names, the one of the plurality of subscriber communication units receiving at least one of the plurality of subscriber IDs from the communication controller, and wherein step (f) comprises the step of: f1) in response to receiving the at least one of the corresponding plurality of subscriber IDs, the one of the plurality of subscriber communication units presenting at least one user readable subscriber ID to the subscriber, wherein the at least one user readable subscriber ID represents the at least one of the corresponding plurality of subscriber IDs.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24956994A | 1994-05-26 | 1994-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9509698D0 GB9509698D0 (en) | 1995-07-05 |
| GB2289826A true GB2289826A (en) | 1995-11-29 |
Family
ID=22944062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9509698A Withdrawn GB2289826A (en) | 1994-05-26 | 1995-05-12 | Method for accessing subscriber databases |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN1122981A (en) |
| BR (1) | BR9502541A (en) |
| CO (1) | CO4340578A1 (en) |
| GB (1) | GB2289826A (en) |
| MX (1) | MX9502267A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305575A (en) * | 1995-09-21 | 1997-04-09 | Motorola Inc | Method for accessing subscriber databases |
| US6934703B2 (en) | 2000-06-02 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method for searching for data in at least two databases, and database system having at least two databases |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173272A2 (en) * | 1984-08-27 | 1986-03-05 | Cognitronics Corporation | Method of obtaining directory assistance in a telephone system and apparatus |
| US4633041A (en) * | 1984-04-09 | 1986-12-30 | At&T Information Systems Inc. | Station set directory assistance arrangement |
| US4839919A (en) * | 1985-08-16 | 1989-06-13 | Borges Marcos V P | Telephone and demodulator |
-
1995
- 1995-05-12 GB GB9509698A patent/GB2289826A/en not_active Withdrawn
- 1995-05-18 MX MX9502267A patent/MX9502267A/en unknown
- 1995-05-25 CN CN 95106674 patent/CN1122981A/en active Pending
- 1995-05-25 CO CO95022681A patent/CO4340578A1/en unknown
- 1995-05-25 BR BR9502541A patent/BR9502541A/en active Search and Examination
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633041A (en) * | 1984-04-09 | 1986-12-30 | At&T Information Systems Inc. | Station set directory assistance arrangement |
| EP0173272A2 (en) * | 1984-08-27 | 1986-03-05 | Cognitronics Corporation | Method of obtaining directory assistance in a telephone system and apparatus |
| US4839919A (en) * | 1985-08-16 | 1989-06-13 | Borges Marcos V P | Telephone and demodulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305575A (en) * | 1995-09-21 | 1997-04-09 | Motorola Inc | Method for accessing subscriber databases |
| US6934703B2 (en) | 2000-06-02 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method for searching for data in at least two databases, and database system having at least two databases |
Also Published As
| Publication number | Publication date |
|---|---|
| CO4340578A1 (en) | 1996-07-30 |
| MX9502267A (en) | 1997-02-28 |
| CN1122981A (en) | 1996-05-22 |
| BR9502541A (en) | 1995-12-26 |
| GB9509698D0 (en) | 1995-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |