CN102542706B - Control method of sickroom wireless calling system - Google Patents
Control method of sickroom wireless calling system Download PDFInfo
- Publication number
- CN102542706B CN102542706B CN 201210009510 CN201210009510A CN102542706B CN 102542706 B CN102542706 B CN 102542706B CN 201210009510 CN201210009510 CN 201210009510 CN 201210009510 A CN201210009510 A CN 201210009510A CN 102542706 B CN102542706 B CN 102542706B
- Authority
- CN
- China
- Prior art keywords
- calling
- signal
- calling device
- alarm module
- module
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
- Telephonic Communication Services (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a sickroom wireless calling system and a control method thereof. The system comprises a response device and a plurality of calling devices and is characterized in that a processor is arranged in the response device, wherein a first wireless receiving and sending module, a first alarming module, a display module and a response button are connected with the processor; a singlechip is arranged in each calling device; and the singlechips are connected with a second wireless receiving and sending module, a second alarming module and a calling button. The sickroom wireless calling system has the beneficial effects that the system has a duplex communication function; a response signal given by the response device can be sent back; a humanized voice response can be provided; the calling status can be divided according to grades; the beds of the calling devices can be arranged according to the specific circumstances; the structure is simple; the mounting is convenient; the cost is low; the medical staff can receive the calling information of patients at any time and can deal with various emergencies in time; and the medical tangle is reduced.
Description
Technical field
The present invention relates to wireless signal transmission techniques, specifically, is a kind of control method of ward wireless calling system.
Background technology
The competition of hospital is more and more fierce, promotes class and service quality extremely urgent, for convenience of patient and medical personnel's timely contact, improves medical service quality, and calling system plays an important role.Yet traditional calling system generally adopts the mode of wire communication, has that construction is loaded down with trivial details, maintenance difficulty, installation cost is high and the shortcoming, particularly additional berth on the corridor for those such as mobile dumb, can't realize call function at all.
Chinese patent application 201020685078.9 has also proposed a kind of ward wireless calling system, although realized the function of wireless calling, solved the wiring trouble, but it adopts the simplex mode, only has the uni-directional call function, whether receiving end replys but can not in time be informed to calling terminal, and function is perfect not, uses also hommization not.
Summary of the invention
One of purpose of the present invention is to provide a kind of ward wireless calling system, and calling terminal and responding terminal can realize that wireless duplex communicates by letter, and by changing the state of alerting signal, make calling terminal can learn in time whether responding terminal replys.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of ward wireless calling system, comprise an answering device and Duo Tai calling device, its key is: be provided with processor in described answering device, be connected with the first radio receiving transmitting module, the first alarm module, display module and answer button on this processor, be provided with single-chip microcomputer in described calling device, be connected with the second radio receiving transmitting module, the second alarm module and call button on this single-chip microcomputer, realize radio communication by described the first radio receiving transmitting module and the second radio receiving transmitting module between described answering device and calling device.
in case client need is called out medical personnel, can press call button, single-chip microcomputer in calling device sends alerting signal to the second alarm module, by the second radio receiving transmitting module, this alerting signal is sent in answering device simultaneously, after answering device in dispensary is received this alerting signal, send corresponding alerting signal by processor to the first alarm module, show in display module simultaneously and send the sick bed label of calling, medical personnel in dispensary learn when someone calls out, press answer button, and send medical personnel to go to corresponding sick bed, answering device sends corresponding answer signal in this calling device simultaneously, calling device changes alarm condition after receiving this answer signal, go to the expression medical personnel.
In order to make the hommization of response message, be connected with speech chip on single-chip microcomputer in described calling device, be connected with loudspeaker on speech chip, after calling device is received the answer signal that answering device passes back, automatically play the voice messaging that is pre-stored in speech chip in loudspeaker.
In order to facilitate the installation and debugging of calling device, be connected with 8 toggle switchs on single-chip microcomputer in described calling device, can allow single-chip microcomputer read different values by the state that changes 8 toggle switchs, be used for representing different bed items, 8 toggle switchs are set get final product corresponding 0～255 berth, according to the zone that each nurse room is administered, the basic requirement of satisfying existing hospital.
Described call button comprises emergency call button and ordinary call button.
Described the first alarm module and the second alarm module are the sound and light alarm module.
When being in an emergency, patient can press emergency call button, the first alarm module and the second alarm module send rapid sound and light alarm signal, if patient just needs the nurse needs consultings nurse that changes dressings or have a question, can press the ordinary call button, the sound and light alarm signal that the first alarm module and the second alarm module send is just no longer so rapid.
In order to save equipment cost, described display module is 37 sections LED digital display tubes.
For convenient power supply, be provided with the first power module in described answering device, be provided with the second source module in described calling device.
Two of purpose of the present invention is the control methods that propose a kind of ward wireless calling system, and it is as follows that it controls step:
(S1) system access:
According to the sick bed number, calling device is arranged, after setting is completed, calling device sends access request signal Q1 automatically in answering device;
After answering device is received described access request signal Q1, judge whether the sick bed number is effective, if effectively send admission confirm signal R1 in described calling device, this calling device accesses successfully; If invalid, automatically abandon described access request signal Q1;
(S2) idle condition:
After calling device is received described admission confirm signal R1, enter idle condition, the Waiting for Call request; Send calling:
If need ordinary call, press the ordinary call button in call button, single-chip microcomputer in calling device sends ordinary call request signal Q2 in answering device by the second radio receiving transmitting module, exports simultaneously the first control signal C1 in the second alarm module;
Receive described ordinary call request signal Q2 when answering device, processor is also exported the first control signal C1 in the first alarm module, shows in display module simultaneously and sends the sick bed number of calling;
If need urgent call, press the emergency call button in call button, single-chip microcomputer in calling device sends emergency call request signal Q3 in answering device by the second radio receiving transmitting module, exports simultaneously the second control signal C2 to the second alarm module) in;
Receive described emergency call request signal Q3 when answering device, processor is also exported the second control signal C2 in the first alarm module, shows in display module simultaneously and sends the sick bed number of calling;
(S4) call answering:
If answering device is received ordinary call request signal Q2, press answer button, the 3rd control signal C3 is in the first alarm module in processor output, and simultaneous processor sends answer signal R2 in calling device by the first radio receiving transmitting module;
After calling device was received described answer signal R2, single-chip microcomputer was also exported the 3rd control signal C3 in the second alarm module;
If answering device is received emergency call request signal Q3, press answer button, the 4th control signal C4 is in the first alarm module in processor output, and simultaneous processor sends answer signal R3 in calling device by the first radio receiving transmitting module;
After calling device was received described answer signal R3, single-chip microcomputer was also exported the 4th control signal C4 in the second alarm module;
(S5) return to idle condition
Delay time T returns to step S2, enters idle condition.
As further describing, be connected with 8 toggle switchs on the single-chip microcomputer in described calling device, in described step S1, by 8 toggle switchs on calling device, described sick bed number is set, its scope is 0～255.
Further describe again, be connected with speech chip on single-chip microcomputer in described calling device, be connected with loudspeaker on speech chip, after calling device was received described answer signal R2 or answer signal R3, loudspeaker was play the voice messaging that is pre-stored in speech chip automatically.
Remarkable result of the present invention is: system has the duplex communication function, can return the answer signal that answering device provides, and can provide the voice answer-back of hommization, and call case also can be according to grade classification, and under calling device, berth also can arrange as the case may be, simple in structure, easy for installation, with low cost, medical personnel can receive patient's call information at any time, in time process various accidents, reduce medical tangle and occur.
Description of drawings
Fig. 1 is Organization Chart of the present invention;
Fig. 2 is the schematic block circuit diagram of answering device 1 in Fig. 1;
Fig. 3 is the schematic block circuit diagram of calling device 2 in Fig. 1;
Fig. 4 is control flow chart of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, specific embodiments of the invention are described in detail.
As shown in Figure 1, a kind of ward wireless calling system comprises an answering device 1 and Duo Tai calling device 2, and answering device 1 can be arranged in dispensary or nurse station, calling device 2 can be arranged on by each sick bed, passes through the wireless signal duplex communication between answering device 1 and calling device 2.
as shown in Figure 2, be provided with processor 11 in described answering device 1, be connected with the first radio receiving transmitting module 12 on this processor 11, the first alarm module 13, display module 14, answer button 15 and the first power module 16, processor 11 can adopt micro-chip processor, answer button 15 can adopt common pushbutton switch, display module 14 adopts 37 sections LED digital display tubes, can show the bed label between 000～999, if a plurality of sick beds are arranged to be called out when having little time to reply simultaneously, program design by processor 11 can realize that the circulation of a plurality of bed labels on display module 14 shows, until reply rear just cancellation.
As shown in Figure 3, be provided with single-chip microcomputer 21 in described calling device 2, be connected with the second radio receiving transmitting module 22, the second alarm module 23, speech chip 24, toggle switch 26, call button 27 and second source module 28 on this single-chip microcomputer 21, be connected with loudspeaker 25 on speech chip 24.single-chip microcomputer 21 can adopt 51 common single-chip microcomputers, toggle switch 26 arranges 8 and be connected on the P1 mouth of single-chip microcomputer 21, can be so that read 00000000～11111111 totally 256 states on single-chip microcomputer P1 mouth by stirring toggle switch 26, be used for respectively corresponding 0～255 sick bed, calling device 2 can set up on their own in installation process, particularly for the additional berth on the hospital passageway, very easy to use, but for same set of system, an answering device 1 at most also can only connect 256 calling devices 2, but this does not limit the application places of native system, because the zone of administering according to each nurse room, 256 sick beds have satisfied the requirement of existing hospital substantially.
As shown in Figure 4, in conjunction with the foregoing circuit structure, the control method of native system is described further, concrete control step is as follows:
(S1) system access:
By 8 toggle switchs 26 on calling device 2, the corresponding sick bed number of each calling device 2 is set, after setting is completed, calling device 2 sends access request signal Q1 automatically in answering device 1;
Owing to having comprised the corresponding message of sick bed number in request signal Q1, after answering device 1 is received described access request signal Q1, can judge whether the sick bed number is effective, if sick bed numbers conform established standards, 1 of answering device sends admission confirm signal R1 in described calling device 2, and this calling device 2 accesses successfully; If there is the sick bed number that repeats, perhaps the sick bed number is set not symbol standard, and is invalid, and answering device 1 abandons described access request signal Q1 automatically;
(S2) idle condition:
After calling device 2 is received described admission confirm signal R1, enter idle condition, the Waiting for Call request.
(S3) send calling:
If need ordinary call, press the ordinary call button in call button 27, single-chip microcomputer 21 in calling device 2 sends ordinary call request signal Q2 in answering device 1 by the second radio receiving transmitting module 22, exports simultaneously the first control signal C1 in the second alarm module 23;
Receive described ordinary call request signal Q2 when answering device 1, processor 11 is also exported the first control signal C1 in the first alarm module 13, shows in display module 14 simultaneously and sends the sick bed number of calling;
If need urgent call, press the emergency call button in call button 27, single-chip microcomputer 21 in calling device 2 sends emergency call request signal Q3 in answering device 1 by the second radio receiving transmitting module 22, exports simultaneously the second control signal C2 in the second alarm module 23;
Receive described emergency call request signal Q3 when answering device 1, processor 11 is also exported the second control signal C2 in the first alarm module 13, shows in display module 14 simultaneously and sends the sick bed number of calling;
All comprised the sick bed number that sends calling in ordinary call request signal Q2 and emergency call request signal Q3, therefore can extract the sick bed number that sends calling after answering device 1 is received this message, thereby shown in display module 14.
(S4) call answering:
If answering device 1 is received ordinary call request signal Q2, press answer button 15, processor 11 output the 3rd control signal C3 are in the first alarm module 13, and simultaneous processor 11 sends answer signal R2 in calling device 2 by the first radio receiving transmitting module 12;
After calling device 2 was received described answer signal R2, single-chip microcomputer 21 was also exported the 3rd control signal C3 in the second alarm module 23, and loudspeaker 25 is play the voice messaging that is pre-stored in speech chip 24 automatically simultaneously.
If answering device 1 is received emergency call request signal Q3, press answer button 15, processor 11 output the 4th control signal C4 are in the first alarm module 13, and simultaneous processor 11 sends answer signal R3 in calling device 2 by the first radio receiving transmitting module 12;
After calling device 2 was received described answer signal R3, single-chip microcomputer 21 was also exported the 4th control signal C4 in the second alarm module 23, and loudspeaker 25 is play the voice messaging that is pre-stored in speech chip 24 automatically simultaneously.
(S5) return to idle condition
Delay time T returns to step S2, enters idle condition, and as the optimum setting, delay time T is set to 1 minute, and similar paramedic arrives the other alarm of sick bed and stops.
In the course of the work, realize radio communication by the first radio receiving transmitting module 12 and the second radio receiving transmitting module 22 between answering device 1 and calling device 2.the first power module 16 and second source module 28 are mainly used in the power supply conversion, facilitate the power supply supply of answering device 1 and calling device 2, the first alarm module 13 and the second alarm module 23 are the sound and light alarm module, the alerting signal of different frequency can be set by processor 11 or single-chip microcomputer 21, to report to the police for different call case, accordingly call button 27 is divided into emergency call button and ordinary call button, if patient is in an emergency, press emergency call button, it is higher that the first alarm module 13 and the second alarm module 23 send frequency, more rapid alerting signal, if patient just generally changes dressings or the inquiry problem, only need press the ordinary call button, this moment, the first alarm module 13 and the second alarm module 23 sent the alerting signal that frequency relaxes, in design, alerting signal is divided into and is following 5 kinds of states: 1. slowly sound and light alarm---patient's ordinary call, 2. rapid sound and light alarm---patient's urgent call, it is 4. rapid that flashing light alarm---oneself replys urgent call, 8. slowly flashing light alarm---ordinary call is replied, 5. alarm free signal---normal condition.Accordingly, described the first control signal C1 corresponding states 1., the second control signal C2 corresponding states 2., the 3rd control signal C3 corresponding states 3., the 4th control signal C4 corresponding states 4., thereby realize under different situations, the first alarm module 13 different alarm condition occurs with the second alarm module 23.
It is SC8035 one-off programming speech chip that speech chip 24 can adopt model, maximum can be recorded 35 seconds voice under the 6KHz sample frequency, have two kinds of control modes, button pattern maximum can be divided 34 sections voice, serial pulses control model maximum can be divided 31 sections, different voice data can be write record and advance in the ROM of chip.By adopting speech chip 24, after calling device 2 is received the answer signal that answering device 1 passes back, automatically play the voice messaging that is pre-stored in speech chip 24 in loudspeaker 25, make system hommization more.
Claims (3)
1. the control method of a ward wireless calling system is characterized in that carrying out in accordance with the following steps:
(S1) system access:
According to the sick bed number, calling device (2) is arranged, after setting is completed, calling device (2) sends access request signal Q1 automatically in answering device (1);
After answering device (1) is received described access request signal Q1, judge whether the sick bed number is effective, if effectively send admission confirm signal R1 in described calling device (2), this calling device (2) accesses successfully; If invalid, automatically abandon described access request signal Q1;
(S2) idle condition:
After calling device (2) is received described admission confirm signal R1, enter idle condition, the Waiting for Call request;
(S3) send calling:
If need ordinary call, press the ordinary call button in call button (27), single-chip microcomputer (21) in calling device (2) sends ordinary call request signal Q2 in answering device (1) by the second radio receiving transmitting module (22), exports simultaneously the first control signal C1 in the second alarm module (23);
Receive described ordinary call request signal Q2 when answering device (1), processor (11) is also exported the first control signal C1 in the first alarm module (13), shows in display module (14) simultaneously and sends the sick bed number of calling;
If need urgent call, press the emergency call button in call button (27), single-chip microcomputer (21) in calling device (2) sends emergency call request signal Q3 in answering device (1) by the second radio receiving transmitting module (22), exports simultaneously the second control signal C2 in the second alarm module (23);
Receive described emergency call request signal Q3 when answering device (1), processor (11) is also exported the second control signal C2 in the first alarm module (13), shows in display module (14) simultaneously and sends the sick bed number of calling;
(S4) call answering:
If answering device (1) is received ordinary call request signal Q2, press answer button (15), the 3rd control signal C3 is in the first alarm module (13) in processor (11) output, and simultaneous processor (11) sends answer signal R2 in calling device (2) by the first radio receiving transmitting module (12);
After calling device (2) was received described answer signal R2, single-chip microcomputer (21) was also exported the 3rd control signal C3 in the second alarm module (23);
If answering device (1) is received emergency call request signal Q3, press answer button (15), the 4th control signal C4 is in the first alarm module (13) in processor (11) output, and simultaneous processor (11) sends answer signal R3 in calling device (2) by the first radio receiving transmitting module (12);
After calling device (2) was received described answer signal R3, single-chip microcomputer (21) was also exported the 4th control signal C4 in the second alarm module (23);
(S5) return to idle condition
Delay time T returns to step S2, enters idle condition.
2. the control method of a kind of ward wireless calling system according to claim 1, it is characterized in that: be connected with 8 toggle switchs (26) on the single-chip microcomputer (21) in described calling device (2), in described step S1, by 8 toggle switchs (26) on calling device (2), described sick bed number is set, its scope is 0～255.
3. the control method of a kind of ward wireless calling system according to claim 1, it is characterized in that: be connected with speech chip (24) on the single-chip microcomputer (21) in described calling device (2), be connected with loudspeaker (25) on speech chip (24), after calling device (2) was received described answer signal R2 or answer signal R3, loudspeaker (25) was play the voice messaging that is pre-stored in speech chip (24) automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210009510 CN102542706B (en) | 2012-01-13 | 2012-01-13 | Control method of sickroom wireless calling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210009510 CN102542706B (en) | 2012-01-13 | 2012-01-13 | Control method of sickroom wireless calling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102542706A CN102542706A (en) | 2012-07-04 |
| CN102542706B true CN102542706B (en) | 2013-11-06 |
Family
ID=46349505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210009510 Expired - Fee Related CN102542706B (en) | 2012-01-13 | 2012-01-13 | Control method of sickroom wireless calling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102542706B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987021A (en) * | 2014-05-30 | 2014-08-13 | 北京鑫丰南格科技有限责任公司 | Emergency call method and system |
| CN104134302A (en) * | 2014-08-07 | 2014-11-05 | 成都信鑫信息技术有限公司 | Wireless ward call system |
| CN104183067A (en) * | 2014-08-29 | 2014-12-03 | 钟卫 | Wireless calling system and control method |
| CN105788114A (en) * | 2014-12-17 | 2016-07-20 | 南通市第人民医院 | System for ward on-demand calling |
| CN105303730B (en) * | 2015-09-21 | 2018-08-28 | 青岛四方庞巴迪铁路运输设备有限公司 | Train calling system and train calling processing method |
| CN106251526A (en) * | 2016-09-27 | 2016-12-21 | 柳州市人民医院 | Sick room calling system |
| CN106372447B (en) * | 2016-10-30 | 2020-04-07 | 佛山市飞星视听设备厂 | Working method of intelligent medical sickbed management system |
| CN106693116A (en) * | 2016-12-29 | 2017-05-24 | 徐州医科大学 | Intelligent transfusion alarming device |
| CN106652274A (en) * | 2016-12-31 | 2017-05-10 | 佛山市幻云科技有限公司 | Hospital calling control method, hospital calling control device, and hospital calling control system |
| CN107919890A (en) * | 2017-12-17 | 2018-04-17 | 南京佳普科技有限公司 | One kind is based on Internet of Things long-distance intelligent hilllock system |
| CN112637702A (en) * | 2020-12-17 | 2021-04-09 | 广西水利电力职业技术学院 | Special wireless calling system for medical treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081269A (en) * | 1992-07-07 | 1994-01-26 | 北京市海淀区京科新技术研究所 | A kind of medical emergency calling for help system |
| JP2007164799A (en) * | 2004-01-26 | 2007-06-28 | Shinagawa City | Neighborhood security system and neighborhood security method |
| CN201177851Y (en) * | 2008-03-13 | 2009-01-07 | 蒋学才 | Wireless emergency calling equipment for hospital ward |
| CN202422312U (en) * | 2012-01-13 | 2012-09-05 | 重庆大学 | Wireless calling system for ward |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030057500A (en) * | 2003-06-11 | 2003-07-04 | 현웅근 | Local area multiple wireless communication module based on master slave concept |
| US20090079549A1 (en) * | 2007-09-24 | 2009-03-26 | Ruder Bryant P | Device and system for patient-care provider communication |
-
2012
- 2012-01-13 CN CN 201210009510 patent/CN102542706B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081269A (en) * | 1992-07-07 | 1994-01-26 | 北京市海淀区京科新技术研究所 | A kind of medical emergency calling for help system |
| JP2007164799A (en) * | 2004-01-26 | 2007-06-28 | Shinagawa City | Neighborhood security system and neighborhood security method |
| CN201177851Y (en) * | 2008-03-13 | 2009-01-07 | 蒋学才 | Wireless emergency calling equipment for hospital ward |
| CN202422312U (en) * | 2012-01-13 | 2012-09-05 | 重庆大学 | Wireless calling system for ward |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007164799A 2007.06.28 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102542706A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102542706B (en) | Control method of sickroom wireless calling system | |
| CN207603756U (en) | Patient-care calling and communicating device | |
| CN202422312U (en) | Wireless calling system for ward | |
| CN102664940A (en) | Multipoint medical safety calling information system | |
| US20100052871A1 (en) | Speech-driven patient care system with wearable devices | |
| JP5938330B2 (en) | Nurse call system | |
| CN103002357A (en) | Medical calling talkback system | |
| CN204287795U (en) | A kind of intelligent wireless doorplate control system | |
| CN106846681A (en) | A kind of intelligent bed side call bell system | |
| CN109672797B (en) | Ward calling system | |
| CN202889636U (en) | Call system for nursing staff | |
| CN104378418B (en) | The communications management system and its method of medical monitoring | |
| CN212433890U (en) | Intelligent calling system for ward | |
| CN201467219U (en) | Medical wireless paging system | |
| CN207782803U (en) | One kind being based on mobile network hospital calling system | |
| JP2015058262A (en) | Patrol checking system | |
| JP2000107239A (en) | Nurse call system | |
| CN211630228U (en) | Calling system | |
| CN210777002U (en) | Hospital intelligent calling nursing system | |
| CN211658614U (en) | Intelligent nursing calling system | |
| CN205160722U (en) | Novel medical calling intercom system | |
| CN211827477U (en) | Portable calling system | |
| CN210929929U (en) | Mutual bracelet of nurse | |
| CN102256185A (en) | Wireless healthcare system | |
| CN221225607U (en) | External caller for medical use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |